Finding the Fourth Proportional to 88,766.72, 122,499 and 48,481.64

Step by Step Solution

1. Step 1: Write the proportion equation
   88,766.72 : 122,499 = 48,481.64 : x
2. Step 2: Convert to fraction form
   88,766.72/122,499 = 48,481.64/x
3. Step 3: Cross multiply
   88,766.72x = 122,499 × 48,481.64
4. Step 4: Simplify right side
   88,766.72x = 5,938,952,418.36
5. Step 5: Solve for x
   x = 5,938,952,418.36/88,766.72
6. Step 6: Final answer
   x = 66,905.17