We're dividing 9143870 by 859 
We want to figure out the number of times 9143870 can be divided by 859.

Step 1:
859 can be fit into 9 0 times, resulting in a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Bring next digit (1) of the dividend behind the 9 and repeat the process: 91 / 859

Going ahead to step 2:
When dividing 91 by 859, we get 0 with a remainder of 91.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 91, we get 91.
Include the next digit (4) from the dividend after 91, then repeat: 914 / 859

Going ahead to step 3:
When dividing 914 by 859, we get 1 with a remainder of 55.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 859 from 914 to get 55.
Take the next digit (3) from the dividend and append it to 55, then repeat: 553 / 859

Moving on to step 4:
859 can be fit into 553 0 times, resulting in a remainder of 553.
Use 0 as the next digit of our solution. 
Result so far: 10.0
Subtract 0 from 553 to get 553.
Bring next digit (8) of the dividend behind the 553 and repeat the process: 5538 / 859

On to step 5:
859 goes into 5538 6 times with a remainder of 384.
Use 6 as the next digit of our solution. 
Result so far: 106.0
If we take 5154 away from 5538, we end up with 384.
Bring next digit (7) of the dividend behind the 384 and repeat the process: 3847 / 859

Let's proceed to step 6:
3847 divided by 859 is 4 with a remainder of 411.
Record the quotient 4 as the next digit in the result. 
Result so far: 1064.0
Deduct 3436 from 3847 and we're left with 411.
Take the next digit (0) from the dividend and append it to 411, then repeat: 4110 / 859

Step 7:
If we divide 4110 by 859, we get 4 and a remainder of 674.
Record the quotient 4 as the next digit in the result. 
Result so far: 10644.0
The remainder is 674 after subtracting 3436 from 4110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6740, and continue the process.

On to step 8:
If we divide 6740 by 859, we get 7 and a remainder of 727.
Use 7 as the next digit of our solution. 
Result so far: 10644.7
If we subtract 6013 from 6740, we get 727.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7270, and continue the process.

Moving on to step 9:
7270 divided by 859 is 8 with a remainder of 398.
Put 8 as the next digit of the answer. 
Result so far: 10644.78
Subtracting 6872 from 7270 leaves us with 398.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3980, and continue the process.

Step 10:
The number 859 fits into 3980 4 times, leaving a remainder of 544.
The number 4 becomes the next digit in our result. 
Result so far: 10644.784
The remainder is 544 after subtracting 3436 from 3980.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5440, and continue the process.

Moving on to step 11:
859 can be fit into 5440 6 times, resulting in a remainder of 286.
Use 6 as the next digit of our solution. 
Result so far: 10644.7846
Deduct 5154 from 5440 and we're left with 286.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2860, and continue the process.

Going ahead to step 12:
859 can be fit into 2860 3 times, resulting in a remainder of 283.
Use 3 as the next digit of our solution. 
Result so far: 10644.78463
If we take 2577 away from 2860, we end up with 283.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2830, and continue the process.

Going ahead to step 13:
859 goes into 2830 3 times with a remainder of 253.
Put 3 as the next digit of the answer. 
Result so far: 10644.784633
Deduct 2577 from 2830 and we're left with 253.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Our division results in 10644.784633 with a remaining 2.53e-05.