Finding the Fourth Proportional to 102,255.50, 141,112.23 and 56,932.31

Step by Step Solution

1. Step 1: Write the proportion equation
   102,255.50 : 141,112.23 = 56,932.31 : x
2. Step 2: Convert to fraction form
   102,255.50/141,112.23 = 56,932.31/x
3. Step 3: Cross multiply
   102,255.50x = 141,112.23 × 56,932.31
4. Step 4: Simplify right side
   102,255.50x = 8,033,844,517.59
5. Step 5: Solve for x
   x = 8,033,844,517.59/102,255.50
6. Step 6: Final answer
   x = 78,566.38