Finding the Fourth Proportional to 2,508.25, 3,762.89 and 864.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.25 : 3,762.89 = 864.59 : x
2. Step 2: Convert to fraction form
   2,508.25/3,762.89 = 864.59/x
3. Step 3: Cross multiply
   2,508.25x = 3,762.89 × 864.59
4. Step 4: Simplify right side
   2,508.25x = 3,253,346.11
5. Step 5: Solve for x
   x = 3,253,346.11/2,508.25
6. Step 6: Final answer
   x = 1,297.06