Finding the Fourth Proportional to 2,825.22, 4,217.61 and 2,456.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.22 : 4,217.61 = 2,456.28 : x
2. Step 2: Convert to fraction form
   2,825.22/4,217.61 = 2,456.28/x
3. Step 3: Cross multiply
   2,825.22x = 4,217.61 × 2,456.28
4. Step 4: Simplify right side
   2,825.22x = 10,359,631.09
5. Step 5: Solve for x
   x = 10,359,631.09/2,825.22
6. Step 6: Final answer
   x = 3,666.84