Finding the Fourth Proportional to 12,168.27, 16,788.87 and 7,324.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.27 : 16,788.87 = 7,324.38 : x
2. Step 2: Convert to fraction form
   12,168.27/16,788.87 = 7,324.38/x
3. Step 3: Cross multiply
   12,168.27x = 16,788.87 × 7,324.38
4. Step 4: Simplify right side
   12,168.27x = 122,968,063.65
5. Step 5: Solve for x
   x = 122,968,063.65/12,168.27
6. Step 6: Final answer
   x = 10,105.63