391360 divided by 86 
We're looking to find how many times 86 goes into 391360.

Advancing to step 1:
86 can be fit into 3 0 times, resulting in a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 86

On to step 2:
86 goes into 39 0 times with a remainder of 39.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 39 leaves us with 39.
Fetch the next digit (1) from the dividend, attach it to 39 and continue: 391 / 86

Moving on to step 3:
If we divide 391 by 86, we get 4 and a remainder of 47.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtract 344 from 391 to get 47.
Grab the next digit (3) from the dividend, add it to 47, then carry on: 473 / 86

Going ahead to step 4:
The number 86 fits into 473 5 times, leaving a remainder of 43.
Write down 5 as next digit of the result. 
Result so far: 45.0
The remainder is 43 after subtracting 430 from 473.
Take the next digit (6) from the dividend and append it to 43, then repeat: 436 / 86

Advancing to step 5:
86 goes into 436 5 times with a remainder of 6.
Write down 5 as next digit of the result. 
Result so far: 455.0
The remainder is 6 after subtracting 430 from 436.
Bring next digit (0) of the dividend behind the 6 and repeat the process: 60 / 86

Moving on to step 6:
86 can be fit into 60 0 times, resulting in a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 4550.0
Subtract 0 from 60 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 7:
86 can be fit into 600 6 times, resulting in a remainder of 84.
Record the quotient 6 as the next digit in the result. 
Result so far: 4550.6
Deduct 516 from 600 and we're left with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Moving on to step 8:
840 divided by 86 is 9 with a remainder of 66.
Use 9 as the next digit of our solution. 
Result so far: 4550.69
Subtracting 774 from 840 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Moving on to step 9:
660 divided by 86 is 7 with a remainder of 58.
Put 7 as the next digit of the answer. 
Result so far: 4550.697
Subtracting 602 from 660 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Going ahead to step 10:
580 divided by 86 is 6 with a remainder of 64.
Put 6 as the next digit of the answer. 
Result so far: 4550.6976
If we take 516 away from 580, we end up with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Let's proceed to step 11:
If we divide 640 by 86, we get 7 and a remainder of 38.
The number 7 becomes the next digit in our result. 
Result so far: 4550.69767
If we take 602 away from 640, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Going ahead to step 12:
When dividing 380 by 86, we get 4 with a remainder of 36.
The number 4 becomes the next digit in our result. 
Result so far: 4550.697674
Subtract 344 from 380 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 13:
360 divided by 86 is 4 with a remainder of 16.
Write down 4 as next digit of the result. 
Result so far: 4550.6976744
Subtract 344 from 360 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final outcome is 4550.6976744, with a leftover of 1.6e-07.