Finding the Fourth Proportional to 2,530.86, 3,491.28 and 1,508.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.86 : 3,491.28 = 1,508.31 : x
2. Step 2: Convert to fraction form
   2,530.86/3,491.28 = 1,508.31/x
3. Step 3: Cross multiply
   2,530.86x = 3,491.28 × 1,508.31
4. Step 4: Simplify right side
   2,530.86x = 5,265,932.54
5. Step 5: Solve for x
   x = 5,265,932.54/2,530.86
6. Step 6: Final answer
   x = 2,080.69