Finding the Fourth Proportional to 16,311.48, 24,578.37 and 13,414.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,311.48 : 24,578.37 = 13,414.82 : x
2. Step 2: Convert to fraction form
   16,311.48/24,578.37 = 13,414.82/x
3. Step 3: Cross multiply
   16,311.48x = 24,578.37 × 13,414.82
4. Step 4: Simplify right side
   16,311.48x = 329,714,286.55
5. Step 5: Solve for x
   x = 329,714,286.55/16,311.48
6. Step 6: Final answer
   x = 20,213.64