Finding the Fourth Proportional to 88,499.32, 122,124.85 and 48,212.89

Step by Step Solution

1. Step 1: Write the proportion equation
   88,499.32 : 122,124.85 = 48,212.89 : x
2. Step 2: Convert to fraction form
   88,499.32/122,124.85 = 48,212.89/x
3. Step 3: Cross multiply
   88,499.32x = 122,124.85 × 48,212.89
4. Step 4: Simplify right side
   88,499.32x = 5,887,991,959.32
5. Step 5: Solve for x
   x = 5,887,991,959.32/88,499.32
6. Step 6: Final answer
   x = 66,531.49