Finding the Fourth Proportional to 25,131.56, 34,679.10 and 14,519.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,131.56 : 34,679.10 = 14,519.72 : x
2. Step 2: Convert to fraction form
   25,131.56/34,679.10 = 14,519.72/x
3. Step 3: Cross multiply
   25,131.56x = 34,679.10 × 14,519.72
4. Step 4: Simplify right side
   25,131.56x = 503,530,821.85
5. Step 5: Solve for x
   x = 503,530,821.85/25,131.56
6. Step 6: Final answer
   x = 20,035.80