Finding the Fourth Proportional to 123,842.33, 170,954.72 and 83,610.59

Step by Step Solution

1. Step 1: Write the proportion equation
   123,842.33 : 170,954.72 = 83,610.59 : x
2. Step 2: Convert to fraction form
   123,842.33/170,954.72 = 83,610.59/x
3. Step 3: Cross multiply
   123,842.33x = 170,954.72 × 83,610.59
4. Step 4: Simplify right side
   123,842.33x = 14,293,623,729.66
5. Step 5: Solve for x
   x = 14,293,623,729.66/123,842.33
6. Step 6: Final answer
   x = 115,417.92