Finding the Fourth Proportional to 59,630.72, 89,470.48 and 31,543.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,630.72 : 89,470.48 = 31,543.20 : x
2. Step 2: Convert to fraction form
   59,630.72/89,470.48 = 31,543.20/x
3. Step 3: Cross multiply
   59,630.72x = 89,470.48 × 31,543.20
4. Step 4: Simplify right side
   59,630.72x = 2,822,185,244.74
5. Step 5: Solve for x
   x = 2,822,185,244.74/59,630.72
6. Step 6: Final answer
   x = 47,327.71