Finding the Fourth Proportional to 2,687.27, 3,708.46 and 1,508.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.27 : 3,708.46 = 1,508.31 : x
2. Step 2: Convert to fraction form
   2,687.27/3,708.46 = 1,508.31/x
3. Step 3: Cross multiply
   2,687.27x = 3,708.46 × 1,508.31
4. Step 4: Simplify right side
   2,687.27x = 5,593,507.30
5. Step 5: Solve for x
   x = 5,593,507.30/2,687.27
6. Step 6: Final answer
   x = 2,081.48