We divide 413123 by 86
We're looking to find how many times 86 goes into 413123.

On to step 1:
When dividing 4 by 86, we get 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Take the next digit (1) from the dividend and append it to 4, then repeat: 41 / 86

On to step 2:
When dividing 41 by 86, we get 0 with a remainder of 41.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 41, we get 41.
Fetch the next digit (3) from the dividend, attach it to 41 and continue: 413 / 86

Advancing to step 3:
When dividing 413 by 86, we get 4 with a remainder of 69.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Deduct 344 from 413 and we're left with 69.
Append the next digit (1) from the dividend to 69 and continue with: 691 / 86

Advancing to step 4:
691 divided by 86 is 8 with a remainder of 3.
Put 8 as the next digit of the answer. 
Result so far: 48.0
Subtracting 688 from 691 leaves us with 3.
Append the next digit (2) from the dividend to 3 and continue with: 32 / 86

On to step 5:
32 divided by 86 is 0 with a remainder of 32.
The next digit of our result is 0. 
Result so far: 480.0
Subtracting 0 from 32 leaves us with 32.
Grab the next digit (3) from the dividend, add it to 32, then carry on: 323 / 86

Step 6:
When dividing 323 by 86, we get 3 with a remainder of 65.
Record the quotient 3 as the next digit in the result. 
Result so far: 4803.0
Deduct 258 from 323 and we're left with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Let's proceed to step 7:
If we divide 650 by 86, we get 7 and a remainder of 48.
Use 7 as the next digit of our solution. 
Result so far: 4803.7
If we take 602 away from 650, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 8:
If we divide 480 by 86, we get 5 and a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 4803.75
Deduct 430 from 480 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 9:
When dividing 500 by 86, we get 5 with a remainder of 70.
Use 5 as the next digit of our solution. 
Result so far: 4803.755
The remainder is 70 after subtracting 430 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

The final result is 4803.755 with a remainder of 0.007.