Finding the Fourth Proportional to 88,978.46, 122,778.12 and 53,160.86

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.46 : 122,778.12 = 53,160.86 : x
2. Step 2: Convert to fraction form
   88,978.46/122,778.12 = 53,160.86/x
3. Step 3: Cross multiply
   88,978.46x = 122,778.12 × 53,160.86
4. Step 4: Simplify right side
   88,978.46x = 6,526,989,834.49
5. Step 5: Solve for x
   x = 6,526,989,834.49/88,978.46
6. Step 6: Final answer
   x = 73,354.72