Finding the Fourth Proportional to 16,408.59, 24,615.92 and 5,314.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,408.59 : 24,615.92 = 5,314.15 : x
2. Step 2: Convert to fraction form
   16,408.59/24,615.92 = 5,314.15/x
3. Step 3: Cross multiply
   16,408.59x = 24,615.92 × 5,314.15
4. Step 4: Simplify right side
   16,408.59x = 130,812,691.27
5. Step 5: Solve for x
   x = 130,812,691.27/16,408.59
6. Step 6: Final answer
   x = 7,972.21