Finding the Fourth Proportional to 88,476.78, 122,113.71 and 52,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,476.78 : 122,113.71 = 52,687.50 : x
2. Step 2: Convert to fraction form
   88,476.78/122,113.71 = 52,687.50/x
3. Step 3: Cross multiply
   88,476.78x = 122,113.71 × 52,687.50
4. Step 4: Simplify right side
   88,476.78x = 6,433,866,095.63
5. Step 5: Solve for x
   x = 6,433,866,095.63/88,476.78
6. Step 6: Final answer
   x = 72,718.13