Finding the Fourth Proportional to 47,945.52, 71,552.16 and 42,696.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,945.52 : 71,552.16 = 42,696.72 : x
2. Step 2: Convert to fraction form
   47,945.52/71,552.16 = 42,696.72/x
3. Step 3: Cross multiply
   47,945.52x = 71,552.16 × 42,696.72
4. Step 4: Simplify right side
   47,945.52x = 3,055,042,540.92
5. Step 5: Solve for x
   x = 3,055,042,540.92/47,945.52
6. Step 6: Final answer
   x = 63,719.04