Finding the Fourth Proportional to 16,131.86, 22,269.02 and 9,414.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.86 : 22,269.02 = 9,414.93 : x
2. Step 2: Convert to fraction form
   16,131.86/22,269.02 = 9,414.93/x
3. Step 3: Cross multiply
   16,131.86x = 22,269.02 × 9,414.93
4. Step 4: Simplify right side
   16,131.86x = 209,661,217.39
5. Step 5: Solve for x
   x = 209,661,217.39/16,131.86
6. Step 6: Final answer
   x = 12,996.72