Finding the Fourth Proportional to 16,520.43, 22,797.82 and 8,966.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.43 : 22,797.82 = 8,966.78 : x
2. Step 2: Convert to fraction form
   16,520.43/22,797.82 = 8,966.78/x
3. Step 3: Cross multiply
   16,520.43x = 22,797.82 × 8,966.78
4. Step 4: Simplify right side
   16,520.43x = 204,422,900.01
5. Step 5: Solve for x
   x = 204,422,900.01/16,520.43
6. Step 6: Final answer
   x = 12,373.95