Finding the Fourth Proportional to 2,240.72, 3,081.91 and 1,797.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.72 : 3,081.91 = 1,797.65 : x
2. Step 2: Convert to fraction form
   2,240.72/3,081.91 = 1,797.65/x
3. Step 3: Cross multiply
   2,240.72x = 3,081.91 × 1,797.65
4. Step 4: Simplify right side
   2,240.72x = 5,540,195.51
5. Step 5: Solve for x
   x = 5,540,195.51/2,240.72
6. Step 6: Final answer
   x = 2,472.51