Finding the Fourth Proportional to 123,839.76, 170,951.18 and 83,608.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123,839.76 : 170,951.18 = 83,608.01 : x
2. Step 2: Convert to fraction form
   123,839.76/170,951.18 = 83,608.01/x
3. Step 3: Cross multiply
   123,839.76x = 170,951.18 × 83,608.01
4. Step 4: Simplify right side
   123,839.76x = 14,292,887,966.95
5. Step 5: Solve for x
   x = 14,292,887,966.95/123,839.76
6. Step 6: Final answer
   x = 115,414.38