Finding the Fourth Proportional to 88,976.12, 122,787.05 and 48,689.89

Step by Step Solution

1. Step 1: Write the proportion equation
   88,976.12 : 122,787.05 = 48,689.89 : x
2. Step 2: Convert to fraction form
   88,976.12/122,787.05 = 48,689.89/x
3. Step 3: Cross multiply
   88,976.12x = 122,787.05 × 48,689.89
4. Step 4: Simplify right side
   88,976.12x = 5,978,487,451.16
5. Step 5: Solve for x
   x = 5,978,487,451.16/88,976.12
6. Step 6: Final answer
   x = 67,192.05