Finding the Fourth Proportional to 8,582.88, 12,875.16 and 2,738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,582.88 : 12,875.16 = 2,738.10 : x
2. Step 2: Convert to fraction form
   8,582.88/12,875.16 = 2,738.10/x
3. Step 3: Cross multiply
   8,582.88x = 12,875.16 × 2,738.10
4. Step 4: Simplify right side
   8,582.88x = 35,253,475.60
5. Step 5: Solve for x
   x = 35,253,475.60/8,582.88
6. Step 6: Final answer
   x = 4,107.42