Finding the Fourth Proportional to 16,434.72, 24,630.90 and 14,317.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,434.72 : 24,630.90 = 14,317.79 : x
2. Step 2: Convert to fraction form
   16,434.72/24,630.90 = 14,317.79/x
3. Step 3: Cross multiply
   16,434.72x = 24,630.90 × 14,317.79
4. Step 4: Simplify right side
   16,434.72x = 352,659,930.56
5. Step 5: Solve for x
   x = 352,659,930.56/16,434.72
6. Step 6: Final answer
   x = 21,458.23