We divide 408215 by 86
Let's see how many times 86 fits into 408215.

On to step 1:
The number 86 fits into 4 0 times, leaving a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 86

Step 2:
The number 86 fits into 40 0 times, leaving a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 40, we get 40.
Append the next digit (8) from the dividend to 40 and continue with: 408 / 86

On to step 3:
408 divided by 86 is 4 with a remainder of 64.
The next digit of our result is 4. 
Result so far: 4.0
If we take 344 away from 408, we end up with 64.
Append the next digit (2) from the dividend to 64 and continue with: 642 / 86

Advancing to step 4:
When dividing 642 by 86, we get 7 with a remainder of 40.
Record the quotient 7 as the next digit in the result. 
Result so far: 47.0
If we take 602 away from 642, we end up with 40.
Append the next digit (1) from the dividend to 40 and continue with: 401 / 86

Going ahead to step 5:
86 can be fit into 401 4 times, resulting in a remainder of 57.
The next digit of our result is 4. 
Result so far: 474.0
Deduct 344 from 401 and we're left with 57.
Append the next digit (5) from the dividend to 57 and continue with: 575 / 86

On to step 6:
When dividing 575 by 86, we get 6 with a remainder of 59.
Record the quotient 6 as the next digit in the result. 
Result so far: 4746.0
Deduct 516 from 575 and we're left with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Let's proceed to step 7:
86 can be fit into 590 6 times, resulting in a remainder of 74.
The next digit of our result is 6. 
Result so far: 4746.6
If we take 516 away from 590, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

On to step 8:
If we divide 740 by 86, we get 8 and a remainder of 52.
Record the quotient 8 as the next digit in the result. 
Result so far: 4746.68
If we subtract 688 from 740, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Going ahead to step 9:
86 goes into 520 6 times with a remainder of 4.
Write down 6 as next digit of the result. 
Result so far: 4746.686
Deduct 516 from 520 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 10:
If we divide 40 by 86, we get 0 and a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 4746.686
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 11:
When dividing 400 by 86, we get 4 with a remainder of 56.
Write down 4 as next digit of the result. 
Result so far: 4746.68604
If we subtract 344 from 400, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

On to step 12:
If we divide 560 by 86, we get 6 and a remainder of 44.
Record the quotient 6 as the next digit in the result. 
Result so far: 4746.686046
If we subtract 516 from 560, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 13:
86 can be fit into 440 5 times, resulting in a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 4746.6860465
Subtracting 430 from 440 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 14:
100 divided by 86 is 1 with a remainder of 14.
Use 1 as the next digit of our solution. 
Result so far: 4746.68604651
Deduct 86 from 100 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

The final outcome is 4746.68604651, with a leftover of 1.4e-08.