We're dividing 15149564 by 539 
Our goal is to divide 15149564 by 539.

Moving on to step 1:
If we divide 1 by 539, we get 0 and a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Include the next digit (5) from the dividend after 1, then repeat: 15 / 539

Step 2:
15 divided by 539 is 0 with a remainder of 15.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 15 to get 15.
Grab the next digit (1) from the dividend, add it to 15, then carry on: 151 / 539

Going ahead to step 3:
539 goes into 151 0 times with a remainder of 151.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 151 leaves us with 151.
Include the next digit (4) from the dividend after 151, then repeat: 1514 / 539

Let's proceed to step 4:
If we divide 1514 by 539, we get 2 and a remainder of 436.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Deduct 1078 from 1514 and we're left with 436.
Take the next digit (9) from the dividend and append it to 436, then repeat: 4369 / 539

Step 5:
539 can be fit into 4369 8 times, resulting in a remainder of 57.
Record the quotient 8 as the next digit in the result. 
Result so far: 28.0
Subtract 4312 from 4369 to get 57.
Fetch the next digit (5) from the dividend, attach it to 57 and continue: 575 / 539

Step 6:
539 can be fit into 575 1 times, resulting in a remainder of 36.
Use 1 as the next digit of our solution. 
Result so far: 281.0
If we take 539 away from 575, we end up with 36.
Bring next digit (6) of the dividend behind the 36 and repeat the process: 366 / 539

Going ahead to step 7:
The number 539 fits into 366 0 times, leaving a remainder of 366.
Write down 0 as next digit of the result. 
Result so far: 2810.0
The remainder is 366 after subtracting 0 from 366.
Include the next digit (4) from the dividend after 366, then repeat: 3664 / 539

Moving on to step 8:
When dividing 3664 by 539, we get 6 with a remainder of 430.
Use 6 as the next digit of our solution. 
Result so far: 28106.0
If we take 3234 away from 3664, we end up with 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Let's proceed to step 9:
4300 divided by 539 is 7 with a remainder of 527.
Put 7 as the next digit of the answer. 
Result so far: 28106.7
Subtracting 3773 from 4300 leaves us with 527.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5270, and continue the process.

Step 10:
539 goes into 5270 9 times with a remainder of 419.
Write down 9 as next digit of the result. 
Result so far: 28106.79
Subtract 4851 from 5270 to get 419.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4190, and continue the process.

On to step 11:
4190 divided by 539 is 7 with a remainder of 417.
Record the quotient 7 as the next digit in the result. 
Result so far: 28106.797
If we subtract 3773 from 4190, we get 417.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4170, and continue the process.

Advancing to step 12:
The number 539 fits into 4170 7 times, leaving a remainder of 397.
The number 7 becomes the next digit in our result. 
Result so far: 28106.7977
Deduct 3773 from 4170 and we're left with 397.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3970, and continue the process.

The final outcome is 28106.7977, with a leftover of 0.00397.