Finding the Fourth Proportional to 16,571.16, 22,876.67 and 12,785.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,571.16 : 22,876.67 = 12,785.82 : x
2. Step 2: Convert to fraction form
   16,571.16/22,876.67 = 12,785.82/x
3. Step 3: Cross multiply
   16,571.16x = 22,876.67 × 12,785.82
4. Step 4: Simplify right side
   16,571.16x = 292,496,984.82
5. Step 5: Solve for x
   x = 292,496,984.82/16,571.16
6. Step 6: Final answer
   x = 17,650.97