Finding the Fourth Proportional to 3,168.56, 4,379.46 and 2,381.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,168.56 : 4,379.46 = 2,381.24 : x
2. Step 2: Convert to fraction form
   3,168.56/4,379.46 = 2,381.24/x
3. Step 3: Cross multiply
   3,168.56x = 4,379.46 × 2,381.24
4. Step 4: Simplify right side
   3,168.56x = 10,428,545.33
5. Step 5: Solve for x
   x = 10,428,545.33/3,168.56
6. Step 6: Final answer
   x = 3,291.26