Finding the Fourth Proportional to 2,440.87, 3,661.89 and 797.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.87 : 3,661.89 = 797.42 : x
2. Step 2: Convert to fraction form
   2,440.87/3,661.89 = 797.42/x
3. Step 3: Cross multiply
   2,440.87x = 3,661.89 × 797.42
4. Step 4: Simplify right side
   2,440.87x = 2,920,064.32
5. Step 5: Solve for x
   x = 2,920,064.32/2,440.87
6. Step 6: Final answer
   x = 1,196.32