Finding the Fourth Proportional to 2,558.52, 3,808.71 and 2,439.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.52 : 3,808.71 = 2,439.24 : x
2. Step 2: Convert to fraction form
   2,558.52/3,808.71 = 2,439.24/x
3. Step 3: Cross multiply
   2,558.52x = 3,808.71 × 2,439.24
4. Step 4: Simplify right side
   2,558.52x = 9,290,357.78
5. Step 5: Solve for x
   x = 9,290,357.78/2,558.52
6. Step 6: Final answer
   x = 3,631.15