15090898 divided by 561 
Our goal is to divide 15090898 by 561.

On to step 1:
561 can be fit into 1 0 times, resulting in a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (5) from the dividend and append it to 1, then repeat: 15 / 561

Going ahead to step 2:
561 goes into 15 0 times with a remainder of 15.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 15, we get 15.
Include the next digit (0) from the dividend after 15, then repeat: 150 / 561

On to step 3:
561 can be fit into 150 0 times, resulting in a remainder of 150.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 150 to get 150.
Take the next digit (9) from the dividend and append it to 150, then repeat: 1509 / 561

Moving on to step 4:
When dividing 1509 by 561, we get 2 with a remainder of 387.
The next digit of our result is 2. 
Result so far: 2.0
If we take 1122 away from 1509, we end up with 387.
Bring next digit (0) of the dividend behind the 387 and repeat the process: 3870 / 561

Step 5:
561 can be fit into 3870 6 times, resulting in a remainder of 504.
Record the quotient 6 as the next digit in the result. 
Result so far: 26.0
Subtract 3366 from 3870 to get 504.
Append the next digit (8) from the dividend to 504 and continue with: 5048 / 561

Step 6:
When dividing 5048 by 561, we get 8 with a remainder of 560.
Write down 8 as next digit of the result. 
Result so far: 268.0
Deduct 4488 from 5048 and we're left with 560.
Append the next digit (9) from the dividend to 560 and continue with: 5609 / 561

On to step 7:
561 can be fit into 5609 9 times, resulting in a remainder of 560.
Record the quotient 9 as the next digit in the result. 
Result so far: 2689.0
Subtract 5049 from 5609 to get 560.
Fetch the next digit (8) from the dividend, attach it to 560 and continue: 5608 / 561

Advancing to step 8:
When dividing 5608 by 561, we get 9 with a remainder of 559.
Record the quotient 9 as the next digit in the result. 
Result so far: 26899.0
Deduct 5049 from 5608 and we're left with 559.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5590, and continue the process.

Moving on to step 9:
5590 divided by 561 is 9 with a remainder of 541.
Put 9 as the next digit of the answer. 
Result so far: 26899.9
The remainder is 541 after subtracting 5049 from 5590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5410, and continue the process.

Let's proceed to step 10:
561 goes into 5410 9 times with a remainder of 361.
Put 9 as the next digit of the answer. 
Result so far: 26899.99
Deduct 5049 from 5410 and we're left with 361.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3610, and continue the process.

In conclusion, the division gives 26899.99 with a balance of 0.361.