Finding the Fourth Proportional to 16,788.26, 23,167.31 and 9,234.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.26 : 23,167.31 = 9,234.59 : x
2. Step 2: Convert to fraction form
   16,788.26/23,167.31 = 9,234.59/x
3. Step 3: Cross multiply
   16,788.26x = 23,167.31 × 9,234.59
4. Step 4: Simplify right side
   16,788.26x = 213,940,690.26
5. Step 5: Solve for x
   x = 213,940,690.26/16,788.26
6. Step 6: Final answer
   x = 12,743.47