Finding the Fourth Proportional to 2,258.72, 3,388.16 and 798.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.72 : 3,388.16 = 798.08 : x
2. Step 2: Convert to fraction form
   2,258.72/3,388.16 = 798.08/x
3. Step 3: Cross multiply
   2,258.72x = 3,388.16 × 798.08
4. Step 4: Simplify right side
   2,258.72x = 2,704,022.73
5. Step 5: Solve for x
   x = 2,704,022.73/2,258.72
6. Step 6: Final answer
   x = 1,197.15