Finding the Fourth Proportional to 16,099.63, 22,217.69 and 8,929.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,099.63 : 22,217.69 = 8,929.71 : x
2. Step 2: Convert to fraction form
   16,099.63/22,217.69 = 8,929.71/x
3. Step 3: Cross multiply
   16,099.63x = 22,217.69 × 8,929.71
4. Step 4: Simplify right side
   16,099.63x = 198,397,550.89
5. Step 5: Solve for x
   x = 198,397,550.89/16,099.63
6. Step 6: Final answer
   x = 12,323.11