Finding the Fourth Proportional to 5,582.79, 8,371.15 and 3,608.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,582.79 : 8,371.15 = 3,608.15 : x
2. Step 2: Convert to fraction form
   5,582.79/8,371.15 = 3,608.15/x
3. Step 3: Cross multiply
   5,582.79x = 8,371.15 × 3,608.15
4. Step 4: Simplify right side
   5,582.79x = 30,204,314.00
5. Step 5: Solve for x
   x = 30,204,314.00/5,582.79
6. Step 6: Final answer
   x = 5,410.25