Finding the Fourth Proportional to 88,016.88, 121,463.92 and 47,730.88

Step by Step Solution

1. Step 1: Write the proportion equation
   88,016.88 : 121,463.92 = 47,730.88 : x
2. Step 2: Convert to fraction form
   88,016.88/121,463.92 = 47,730.88/x
3. Step 3: Cross multiply
   88,016.88x = 121,463.92 × 47,730.88
4. Step 4: Simplify right side
   88,016.88x = 5,797,579,789.85
5. Step 5: Solve for x
   x = 5,797,579,789.85/88,016.88
6. Step 6: Final answer
   x = 65,868.95