Finding the Fourth Proportional to 88,138.46, 121,630.59 and 47,851.89

Step by Step Solution

1. Step 1: Write the proportion equation
   88,138.46 : 121,630.59 = 47,851.89 : x
2. Step 2: Convert to fraction form
   88,138.46/121,630.59 = 47,851.89/x
3. Step 3: Cross multiply
   88,138.46x = 121,630.59 × 47,851.89
4. Step 4: Simplify right side
   88,138.46x = 5,820,253,613.32
5. Step 5: Solve for x
   x = 5,820,253,613.32/88,138.46
6. Step 6: Final answer
   x = 66,035.35