Finding the Fourth Proportional to 47,981.52, 71,605.81 and 42,732.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,981.52 : 71,605.81 = 42,732.72 : x
2. Step 2: Convert to fraction form
   47,981.52/71,605.81 = 42,732.72/x
3. Step 3: Cross multiply
   47,981.52x = 71,605.81 × 42,732.72
4. Step 4: Simplify right side
   47,981.52x = 3,059,911,029.10
5. Step 5: Solve for x
   x = 3,059,911,029.10/47,981.52
6. Step 6: Final answer
   x = 63,772.70