Finding the Fourth Proportional to 16,433.72, 24,640.71 and 6,426.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,433.72 : 24,640.71 = 6,426.55 : x
2. Step 2: Convert to fraction form
   16,433.72/24,640.71 = 6,426.55/x
3. Step 3: Cross multiply
   16,433.72x = 24,640.71 × 6,426.55
4. Step 4: Simplify right side
   16,433.72x = 158,354,754.85
5. Step 5: Solve for x
   x = 158,354,754.85/16,433.72
6. Step 6: Final answer
   x = 9,635.97