Finding the Fourth Proportional to 47,947.52, 71,555.14 and 42,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,947.52 : 71,555.14 = 42,698.72 : x
2. Step 2: Convert to fraction form
   47,947.52/71,555.14 = 42,698.72/x
3. Step 3: Cross multiply
   47,947.52x = 71,555.14 × 42,698.72
4. Step 4: Simplify right side
   47,947.52x = 3,055,312,887.42
5. Step 5: Solve for x
   x = 3,055,312,887.42/47,947.52
6. Step 6: Final answer
   x = 63,722.02