Finding the Fourth Proportional to 16,398.05, 24,610.18 and 8,502.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,398.05 : 24,610.18 = 8,502.81 : x
2. Step 2: Convert to fraction form
   16,398.05/24,610.18 = 8,502.81/x
3. Step 3: Cross multiply
   16,398.05x = 24,610.18 × 8,502.81
4. Step 4: Simplify right side
   16,398.05x = 209,255,684.61
5. Step 5: Solve for x
   x = 209,255,684.61/16,398.05
6. Step 6: Final answer
   x = 12,761.01