Finding the Fourth Proportional to 2,687.31, 3,708.50 and 1,508.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.31 : 3,708.50 = 1,508.36 : x
2. Step 2: Convert to fraction form
   2,687.31/3,708.50 = 1,508.36/x
3. Step 3: Cross multiply
   2,687.31x = 3,708.50 × 1,508.36
4. Step 4: Simplify right side
   2,687.31x = 5,593,726.98
5. Step 5: Solve for x
   x = 5,593,726.98/2,687.31
6. Step 6: Final answer
   x = 2,081.53