Finding the Fourth Proportional to 47,514.72, 71,097.12 and 42,207.60

Step by Step Solution

1. Step 1: Write the proportion equation
   47,514.72 : 71,097.12 = 42,207.60 : x
2. Step 2: Convert to fraction form
   47,514.72/71,097.12 = 42,207.60/x
3. Step 3: Cross multiply
   47,514.72x = 71,097.12 × 42,207.60
4. Step 4: Simplify right side
   47,514.72x = 3,000,838,802.11
5. Step 5: Solve for x
   x = 3,000,838,802.11/47,514.72
6. Step 6: Final answer
   x = 63,155.98