Finding the Fourth Proportional to 2,825.42, 4,217.85 and 2,456.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.42 : 4,217.85 = 2,456.36 : x
2. Step 2: Convert to fraction form
   2,825.42/4,217.85 = 2,456.36/x
3. Step 3: Cross multiply
   2,825.42x = 4,217.85 × 2,456.36
4. Step 4: Simplify right side
   2,825.42x = 10,360,558.03
5. Step 5: Solve for x
   x = 10,360,558.03/2,825.42
6. Step 6: Final answer
   x = 3,666.91