Finding the Fourth Proportional to 88,892.88, 133,376.16 and 38,947.20

Step by Step Solution

1. Step 1: Write the proportion equation
   88,892.88 : 133,376.16 = 38,947.20 : x
2. Step 2: Convert to fraction form
   88,892.88/133,376.16 = 38,947.20/x
3. Step 3: Cross multiply
   88,892.88x = 133,376.16 × 38,947.20
4. Step 4: Simplify right side
   88,892.88x = 5,194,627,978.75
5. Step 5: Solve for x
   x = 5,194,627,978.75/88,892.88
6. Step 6: Final answer
   x = 58,436.94