Finding the Fourth Proportional to 16,046.16, 22,144.71 and 8,972.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,046.16 : 22,144.71 = 8,972.61 : x
2. Step 2: Convert to fraction form
   16,046.16/22,144.71 = 8,972.61/x
3. Step 3: Cross multiply
   16,046.16x = 22,144.71 × 8,972.61
4. Step 4: Simplify right side
   16,046.16x = 198,695,846.39
5. Step 5: Solve for x
   x = 198,695,846.39/16,046.16
6. Step 6: Final answer
   x = 12,382.77