Finding the Fourth Proportional to 16,385.50, 24,689.86 and 14,595.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.50 : 24,689.86 = 14,595.31 : x
2. Step 2: Convert to fraction form
   16,385.50/24,689.86 = 14,595.31/x
3. Step 3: Cross multiply
   16,385.50x = 24,689.86 × 14,595.31
4. Step 4: Simplify right side
   16,385.50x = 360,356,160.56
5. Step 5: Solve for x
   x = 360,356,160.56/16,385.50
6. Step 6: Final answer
   x = 21,992.38