Finding the Fourth Proportional to 2,582.17, 3,558.81 and 2,107.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.17 : 3,558.81 = 2,107.02 : x
2. Step 2: Convert to fraction form
   2,582.17/3,558.81 = 2,107.02/x
3. Step 3: Cross multiply
   2,582.17x = 3,558.81 × 2,107.02
4. Step 4: Simplify right side
   2,582.17x = 7,498,483.85
5. Step 5: Solve for x
   x = 7,498,483.85/2,582.17
6. Step 6: Final answer
   x = 2,903.95