Finding the Fourth Proportional to 88,977.43, 122,788.85 and 48,691.21

Step by Step Solution

1. Step 1: Write the proportion equation
   88,977.43 : 122,788.85 = 48,691.21 : x
2. Step 2: Convert to fraction form
   88,977.43/122,788.85 = 48,691.21/x
3. Step 3: Cross multiply
   88,977.43x = 122,788.85 × 48,691.21
4. Step 4: Simplify right side
   88,977.43x = 5,978,737,426.30
5. Step 5: Solve for x
   x = 5,978,737,426.30/88,977.43
6. Step 6: Final answer
   x = 67,193.86