Finding the Fourth Proportional to 16,788.43, 23,167.32 and 9,234.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.43 : 23,167.32 = 9,234.28 : x
2. Step 2: Convert to fraction form
   16,788.43/23,167.32 = 9,234.28/x
3. Step 3: Cross multiply
   16,788.43x = 23,167.32 × 9,234.28
4. Step 4: Simplify right side
   16,788.43x = 213,933,448.90
5. Step 5: Solve for x
   x = 213,933,448.90/16,788.43
6. Step 6: Final answer
   x = 12,742.91