Finding the Fourth Proportional to 16,490.72, 24,733.69 and 5,397.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,490.72 : 24,733.69 = 5,397.85 : x
2. Step 2: Convert to fraction form
   16,490.72/24,733.69 = 5,397.85/x
3. Step 3: Cross multiply
   16,490.72x = 24,733.69 × 5,397.85
4. Step 4: Simplify right side
   16,490.72x = 133,508,597.91
5. Step 5: Solve for x
   x = 133,508,597.91/16,490.72
6. Step 6: Final answer
   x = 8,095.99