Finding the Fourth Proportional to 16,046.47, 22,144.86 and 8,972.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,046.47 : 22,144.86 = 8,972.88 : x
2. Step 2: Convert to fraction form
   16,046.47/22,144.86 = 8,972.88/x
3. Step 3: Cross multiply
   16,046.47x = 22,144.86 × 8,972.88
4. Step 4: Simplify right side
   16,046.47x = 198,703,088.35
5. Step 5: Solve for x
   x = 198,703,088.35/16,046.47
6. Step 6: Final answer
   x = 12,382.98