Finding the Fourth Proportional to 16,567.16, 22,871.15 and 12,781.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,567.16 : 22,871.15 = 12,781.82 : x
2. Step 2: Convert to fraction form
   16,567.16/22,871.15 = 12,781.82/x
3. Step 3: Cross multiply
   16,567.16x = 22,871.15 × 12,781.82
4. Step 4: Simplify right side
   16,567.16x = 292,334,744.23
5. Step 5: Solve for x
   x = 292,334,744.23/16,567.16
6. Step 6: Final answer
   x = 17,645.44