Finding the Fourth Proportional to 16,309.05, 24,458.67 and 8,513.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309.05 : 24,458.67 = 8,513.61 : x
2. Step 2: Convert to fraction form
   16,309.05/24,458.67 = 8,513.61/x
3. Step 3: Cross multiply
   16,309.05x = 24,458.67 × 8,513.61
4. Step 4: Simplify right side
   16,309.05x = 208,231,577.50
5. Step 5: Solve for x
   x = 208,231,577.50/16,309.05
6. Step 6: Final answer
   x = 12,767.85