Finding the Fourth Proportional to 2,259.15, 3,388.82 and 798.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.15 : 3,388.82 = 798.31 : x
2. Step 2: Convert to fraction form
   2,259.15/3,388.82 = 798.31/x
3. Step 3: Cross multiply
   2,259.15x = 3,388.82 × 798.31
4. Step 4: Simplify right side
   2,259.15x = 2,705,328.89
5. Step 5: Solve for x
   x = 2,705,328.89/2,259.15
6. Step 6: Final answer
   x = 1,197.50