Finding the Fourth Proportional to 47,975.52, 71,596.86 and 42,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,975.52 : 71,596.86 = 42,726.72 : x
2. Step 2: Convert to fraction form
   47,975.52/71,596.86 = 42,726.72/x
3. Step 3: Cross multiply
   47,975.52x = 71,596.86 × 42,726.72
4. Step 4: Simplify right side
   47,975.52x = 3,059,098,990.10
5. Step 5: Solve for x
   x = 3,059,098,990.10/47,975.52
6. Step 6: Final answer
   x = 63,763.75