Finding the Fourth Proportional to 2,040.22, 2,815.63 and 1,144.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.22 : 2,815.63 = 1,144.04 : x
2. Step 2: Convert to fraction form
   2,040.22/2,815.63 = 1,144.04/x
3. Step 3: Cross multiply
   2,040.22x = 2,815.63 × 1,144.04
4. Step 4: Simplify right side
   2,040.22x = 3,221,173.55
5. Step 5: Solve for x
   x = 3,221,173.55/2,040.22
6. Step 6: Final answer
   x = 1,578.84