Finding the Fourth Proportional to 2,440.27, 3,661.18 and 880.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.27 : 3,661.18 = 880.26 : x
2. Step 2: Convert to fraction form
   2,440.27/3,661.18 = 880.26/x
3. Step 3: Cross multiply
   2,440.27x = 3,661.18 × 880.26
4. Step 4: Simplify right side
   2,440.27x = 3,222,779.33
5. Step 5: Solve for x
   x = 3,222,779.33/2,440.27
6. Step 6: Final answer
   x = 1,320.67