Finding the Fourth Proportional to 16,788.17, 23,166.07 and 9,234.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.17 : 23,166.07 = 9,234.38 : x
2. Step 2: Convert to fraction form
   16,788.17/23,166.07 = 9,234.38/x
3. Step 3: Cross multiply
   16,788.17x = 23,166.07 × 9,234.38
4. Step 4: Simplify right side
   16,788.17x = 213,924,247.31
5. Step 5: Solve for x
   x = 213,924,247.31/16,788.17
6. Step 6: Final answer
   x = 12,742.56