Finding the Fourth Proportional to 43,302.50, 64,766.10 and 25,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43,302.50 : 64,766.10 = 25,490.72 : x
2. Step 2: Convert to fraction form
   43,302.50/64,766.10 = 25,490.72/x
3. Step 3: Cross multiply
   43,302.50x = 64,766.10 × 25,490.72
4. Step 4: Simplify right side
   43,302.50x = 1,650,934,520.59
5. Step 5: Solve for x
   x = 1,650,934,520.59/43,302.50
6. Step 6: Final answer
   x = 38,125.62