Finding the Fourth Proportional to 25,128.45, 34,669.49 and 14,514.21

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.45 : 34,669.49 = 14,514.21 : x
2. Step 2: Convert to fraction form
   25,128.45/34,669.49 = 14,514.21/x
3. Step 3: Cross multiply
   25,128.45x = 34,669.49 × 14,514.21
4. Step 4: Simplify right side
   25,128.45x = 503,200,185.88
5. Step 5: Solve for x
   x = 503,200,185.88/25,128.45
6. Step 6: Final answer
   x = 20,025.12