Finding the Fourth Proportional to 2,040.79, 2,816.06 and 1,144.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.79 : 2,816.06 = 1,144.41 : x
2. Step 2: Convert to fraction form
   2,040.79/2,816.06 = 1,144.41/x
3. Step 3: Cross multiply
   2,040.79x = 2,816.06 × 1,144.41
4. Step 4: Simplify right side
   2,040.79x = 3,222,727.22
5. Step 5: Solve for x
   x = 3,222,727.22/2,040.79
6. Step 6: Final answer
   x = 1,579.16