Finding the Fourth Proportional to 2,660.72, 3,673.78 and 1,614.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.72 : 3,673.78 = 1,614.20 : x
2. Step 2: Convert to fraction form
   2,660.72/3,673.78 = 1,614.20/x
3. Step 3: Cross multiply
   2,660.72x = 3,673.78 × 1,614.20
4. Step 4: Simplify right side
   2,660.72x = 5,930,215.68
5. Step 5: Solve for x
   x = 5,930,215.68/2,660.72
6. Step 6: Final answer
   x = 2,228.80