Finding the Fourth Proportional to 16,868.29, 23,278.43 and 9,314.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,868.29 : 23,278.43 = 9,314.61 : x
2. Step 2: Convert to fraction form
   16,868.29/23,278.43 = 9,314.61/x
3. Step 3: Cross multiply
   16,868.29x = 23,278.43 × 9,314.61
4. Step 4: Simplify right side
   16,868.29x = 216,829,496.86
5. Step 5: Solve for x
   x = 216,829,496.86/16,868.29
6. Step 6: Final answer
   x = 12,854.27