Finding the Fourth Proportional to 3,928.44, 5,417.72 and 2,582.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.44 : 5,417.72 = 2,582.84 : x
2. Step 2: Convert to fraction form
   3,928.44/5,417.72 = 2,582.84/x
3. Step 3: Cross multiply
   3,928.44x = 5,417.72 × 2,582.84
4. Step 4: Simplify right side
   3,928.44x = 13,993,103.92
5. Step 5: Solve for x
   x = 13,993,103.92/3,928.44
6. Step 6: Final answer
   x = 3,562.00