We're dividing 28591640 by 433 
We want to divide 28591640 by 433.

Step 1:
When dividing 2 by 433, we get 0 with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 433

Step 2:
28 divided by 433 is 0 with a remainder of 28.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 28 leaves us with 28.
Include the next digit (5) from the dividend after 28, then repeat: 285 / 433

Let's proceed to step 3:
285 divided by 433 is 0 with a remainder of 285.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 285 after subtracting 0 from 285.
Fetch the next digit (9) from the dividend, attach it to 285 and continue: 2859 / 433

Step 4:
The number 433 fits into 2859 6 times, leaving a remainder of 261.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Deduct 2598 from 2859 and we're left with 261.
Fetch the next digit (1) from the dividend, attach it to 261 and continue: 2611 / 433

Step 5:
433 goes into 2611 6 times with a remainder of 13.
Record the quotient 6 as the next digit in the result. 
Result so far: 66.0
Subtracting 2598 from 2611 leaves us with 13.
Include the next digit (6) from the dividend after 13, then repeat: 136 / 433

Advancing to step 6:
If we divide 136 by 433, we get 0 and a remainder of 136.
The number 0 becomes the next digit in our result. 
Result so far: 660.0
If we subtract 0 from 136, we get 136.
Grab the next digit (4) from the dividend, add it to 136, then carry on: 1364 / 433

Going ahead to step 7:
The number 433 fits into 1364 3 times, leaving a remainder of 65.
Put 3 as the next digit of the answer. 
Result so far: 6603.0
The remainder is 65 after subtracting 1299 from 1364.
Append the next digit (0) from the dividend to 65 and continue with: 650 / 433

Let's proceed to step 8:
The number 433 fits into 650 1 times, leaving a remainder of 217.
Record the quotient 1 as the next digit in the result. 
Result so far: 66031.0
If we take 433 away from 650, we end up with 217.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2170, and continue the process.

Advancing to step 9:
433 goes into 2170 5 times with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 66031.5
Subtracting 2165 from 2170 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 10:
50 divided by 433 is 0 with a remainder of 50.
Put 0 as the next digit of the answer. 
Result so far: 66031.5
Deduct 0 from 50 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.

Going ahead to step 11:
When dividing 500 by 433, we get 1 with a remainder of 67.
Record the quotient 1 as the next digit in the result. 
Result so far: 66031.501
If we take 433 away from 500, we end up with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

On to step 12:
If we divide 670 by 433, we get 1 and a remainder of 237.
The next digit of our result is 1. 
Result so far: 66031.5011
Subtracting 433 from 670 leaves us with 237.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

In conclusion, the division gives 66031.5011 with a balance of 0.00237.