Finding the Fourth Proportional to 89,737.86, 134,563.96 and 52,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,737.86 : 134,563.96 = 52,308.72 : x
2. Step 2: Convert to fraction form
   89,737.86/134,563.96 = 52,308.72/x
3. Step 3: Cross multiply
   89,737.86x = 134,563.96 × 52,308.72
4. Step 4: Simplify right side
   89,737.86x = 7,038,868,505.73
5. Step 5: Solve for x
   x = 7,038,868,505.73/89,737.86
6. Step 6: Final answer
   x = 78,438.11