Finding the Fourth Proportional to 10,707.29, 16,037.17 and 8,223.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.29 : 16,037.17 = 8,223.83 : x
2. Step 2: Convert to fraction form
   10,707.29/16,037.17 = 8,223.83/x
3. Step 3: Cross multiply
   10,707.29x = 16,037.17 × 8,223.83
4. Step 4: Simplify right side
   10,707.29x = 131,886,959.76
5. Step 5: Solve for x
   x = 131,886,959.76/10,707.29
6. Step 6: Final answer
   x = 12,317.49