Finding the Fourth Proportional to 16,568.16, 22,872.53 and 12,782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,568.16 : 22,872.53 = 12,782.82 : x
2. Step 2: Convert to fraction form
   16,568.16/22,872.53 = 12,782.82/x
3. Step 3: Cross multiply
   16,568.16x = 22,872.53 × 12,782.82
4. Step 4: Simplify right side
   16,568.16x = 292,375,433.93
5. Step 5: Solve for x
   x = 292,375,433.93/16,568.16
6. Step 6: Final answer
   x = 17,646.83