Finding the Fourth Proportional to 7,078.76, 10,614.04 and 2,397.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.76 : 10,614.04 = 2,397.20 : x
2. Step 2: Convert to fraction form
   7,078.76/10,614.04 = 2,397.20/x
3. Step 3: Cross multiply
   7,078.76x = 10,614.04 × 2,397.20
4. Step 4: Simplify right side
   7,078.76x = 25,443,976.69
5. Step 5: Solve for x
   x = 25,443,976.69/7,078.76
6. Step 6: Final answer
   x = 3,594.41