Finding the Fourth Proportional to 2,687.46, 4,028.16 and 1,452.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.46 : 4,028.16 = 1,452.12 : x
2. Step 2: Convert to fraction form
   2,687.46/4,028.16 = 1,452.12/x
3. Step 3: Cross multiply
   2,687.46x = 4,028.16 × 1,452.12
4. Step 4: Simplify right side
   2,687.46x = 5,849,371.70
5. Step 5: Solve for x
   x = 5,849,371.70/2,687.46
6. Step 6: Final answer
   x = 2,176.54