Finding the Fourth Proportional to 16,308.12, 24,434.28 and 8,917.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.12 : 24,434.28 = 8,917.86 : x
2. Step 2: Convert to fraction form
   16,308.12/24,434.28 = 8,917.86/x
3. Step 3: Cross multiply
   16,308.12x = 24,434.28 × 8,917.86
4. Step 4: Simplify right side
   16,308.12x = 217,901,488.24
5. Step 5: Solve for x
   x = 217,901,488.24/16,308.12
6. Step 6: Final answer
   x = 13,361.53