Finding the Fourth Proportional to 16,409.80, 24,613.82 and 8,081.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,409.80 : 24,613.82 = 8,081.52 : x
2. Step 2: Convert to fraction form
   16,409.80/24,613.82 = 8,081.52/x
3. Step 3: Cross multiply
   16,409.80x = 24,613.82 × 8,081.52
4. Step 4: Simplify right side
   16,409.80x = 198,917,078.61
5. Step 5: Solve for x
   x = 198,917,078.61/16,409.80
6. Step 6: Final answer
   x = 12,121.85