Finding the Fourth Proportional to 88,698.30, 122,402.78 and 48,411.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,698.30 : 122,402.78 = 48,411.71 : x
2. Step 2: Convert to fraction form
   88,698.30/122,402.78 = 48,411.71/x
3. Step 3: Cross multiply
   88,698.30x = 122,402.78 × 48,411.71
4. Step 4: Simplify right side
   88,698.30x = 5,925,727,952.50
5. Step 5: Solve for x
   x = 5,925,727,952.50/88,698.30
6. Step 6: Final answer
   x = 66,807.68