Finding the Fourth Proportional to 2,508.19, 3,759.83 and 864.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.19 : 3,759.83 = 864.29 : x
2. Step 2: Convert to fraction form
   2,508.19/3,759.83 = 864.29/x
3. Step 3: Cross multiply
   2,508.19x = 3,759.83 × 864.29
4. Step 4: Simplify right side
   2,508.19x = 3,249,583.47
5. Step 5: Solve for x
   x = 3,249,583.47/2,508.19
6. Step 6: Final answer
   x = 1,295.59