Finding the Fourth Proportional to 2,359.26, 3,255.81 and 1,297.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.26 : 3,255.81 = 1,297.15 : x
2. Step 2: Convert to fraction form
   2,359.26/3,255.81 = 1,297.15/x
3. Step 3: Cross multiply
   2,359.26x = 3,255.81 × 1,297.15
4. Step 4: Simplify right side
   2,359.26x = 4,223,273.94
5. Step 5: Solve for x
   x = 4,223,273.94/2,359.26
6. Step 6: Final answer
   x = 1,790.08