Finding the Fourth Proportional to 25,128.52, 34,675 and 14,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.52 : 34,675 = 14,516.72 : x
2. Step 2: Convert to fraction form
   25,128.52/34,675 = 14,516.72/x
3. Step 3: Cross multiply
   25,128.52x = 34,675 × 14,516.72
4. Step 4: Simplify right side
   25,128.52x = 503,367,266
5. Step 5: Solve for x
   x = 503,367,266/25,128.52
6. Step 6: Final answer
   x = 20,031.71