Finding the Fourth Proportional to 59,288.64, 81,898.20 and 47,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,288.64 : 81,898.20 = 47,436.72 : x
2. Step 2: Convert to fraction form
   59,288.64/81,898.20 = 47,436.72/x
3. Step 3: Cross multiply
   59,288.64x = 81,898.20 × 47,436.72
4. Step 4: Simplify right side
   59,288.64x = 3,884,981,981.90
5. Step 5: Solve for x
   x = 3,884,981,981.90/59,288.64
6. Step 6: Final answer
   x = 65,526.58