Finding the Fourth Proportional to 3,648.32, 5,029.56 and 2,582.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.32 : 5,029.56 = 2,582.91 : x
2. Step 2: Convert to fraction form
   3,648.32/5,029.56 = 2,582.91/x
3. Step 3: Cross multiply
   3,648.32x = 5,029.56 × 2,582.91
4. Step 4: Simplify right side
   3,648.32x = 12,990,900.82
5. Step 5: Solve for x
   x = 12,990,900.82/3,648.32
6. Step 6: Final answer
   x = 3,560.79