Finding the Fourth Proportional to 16,046.05, 22,144.28 and 8,972.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,046.05 : 22,144.28 = 8,972.48 : x
2. Step 2: Convert to fraction form
   16,046.05/22,144.28 = 8,972.48/x
3. Step 3: Cross multiply
   16,046.05x = 22,144.28 × 8,972.48
4. Step 4: Simplify right side
   16,046.05x = 198,689,109.41
5. Step 5: Solve for x
   x = 198,689,109.41/16,046.05
6. Step 6: Final answer
   x = 12,382.43