Finding the Fourth Proportional to 25,256.72, 34,861.92 and 14,648.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,256.72 : 34,861.92 = 14,648.96 : x
2. Step 2: Convert to fraction form
   25,256.72/34,861.92 = 14,648.96/x
3. Step 3: Cross multiply
   25,256.72x = 34,861.92 × 14,648.96
4. Step 4: Simplify right side
   25,256.72x = 510,690,871.60
5. Step 5: Solve for x
   x = 510,690,871.60/25,256.72
6. Step 6: Final answer
   x = 20,220.00