Finding the Fourth Proportional to 88,756.64, 122,499.99 and 52,456.61

Step by Step Solution

1. Step 1: Write the proportion equation
   88,756.64 : 122,499.99 = 52,456.61 : x
2. Step 2: Convert to fraction form
   88,756.64/122,499.99 = 52,456.61/x
3. Step 3: Cross multiply
   88,756.64x = 122,499.99 × 52,456.61
4. Step 4: Simplify right side
   88,756.64x = 6,425,934,200.43
5. Step 5: Solve for x
   x = 6,425,934,200.43/88,756.64
6. Step 6: Final answer
   x = 72,399.48