Finding the Fourth Proportional to 16,278.53, 24,396.22 and 8,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,278.53 : 24,396.22 = 8,380.72 : x
2. Step 2: Convert to fraction form
   16,278.53/24,396.22 = 8,380.72/x
3. Step 3: Cross multiply
   16,278.53x = 24,396.22 × 8,380.72
4. Step 4: Simplify right side
   16,278.53x = 204,457,929.85
5. Step 5: Solve for x
   x = 204,457,929.85/16,278.53
6. Step 6: Final answer
   x = 12,559.98