Finding the Fourth Proportional to 16,449.43, 24,616.73 and 13,453.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,449.43 : 24,616.73 = 13,453.24 : x
2. Step 2: Convert to fraction form
   16,449.43/24,616.73 = 13,453.24/x
3. Step 3: Cross multiply
   16,449.43x = 24,616.73 × 13,453.24
4. Step 4: Simplify right side
   16,449.43x = 331,174,748.80
5. Step 5: Solve for x
   x = 331,174,748.80/16,449.43
6. Step 6: Final answer
   x = 20,132.90