Finding the Fourth Proportional to 3,144.96, 4,340.52 and 2,397.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.96 : 4,340.52 = 2,397.72 : x
2. Step 2: Convert to fraction form
   3,144.96/4,340.52 = 2,397.72/x
3. Step 3: Cross multiply
   3,144.96x = 4,340.52 × 2,397.72
4. Step 4: Simplify right side
   3,144.96x = 10,407,351.61
5. Step 5: Solve for x
   x = 10,407,351.61/3,144.96
6. Step 6: Final answer
   x = 3,309.22