Finding the Fourth Proportional to 25,466.43, 35,143.98 and 14,136.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,466.43 : 35,143.98 = 14,136.15 : x
2. Step 2: Convert to fraction form
   25,466.43/35,143.98 = 14,136.15/x
3. Step 3: Cross multiply
   25,466.43x = 35,143.98 × 14,136.15
4. Step 4: Simplify right side
   25,466.43x = 496,800,572.88
5. Step 5: Solve for x
   x = 496,800,572.88/25,466.43
6. Step 6: Final answer
   x = 19,508.06