Finding the Fourth Proportional to 2,687.58, 3,708.89 and 1,508.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.58 : 3,708.89 = 1,508.63 : x
2. Step 2: Convert to fraction form
   2,687.58/3,708.89 = 1,508.63/x
3. Step 3: Cross multiply
   2,687.58x = 3,708.89 × 1,508.63
4. Step 4: Simplify right side
   2,687.58x = 5,595,322.29
5. Step 5: Solve for x
   x = 5,595,322.29/2,687.58
6. Step 6: Final answer
   x = 2,081.92