Finding the Fourth Proportional to 2,308.24, 3,182.52 and 1,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.24 : 3,182.52 = 1,686.16 : x
2. Step 2: Convert to fraction form
   2,308.24/3,182.52 = 1,686.16/x
3. Step 3: Cross multiply
   2,308.24x = 3,182.52 × 1,686.16
4. Step 4: Simplify right side
   2,308.24x = 5,366,237.92
5. Step 5: Solve for x
   x = 5,366,237.92/2,308.24
6. Step 6: Final answer
   x = 2,324.82