Finding the Fourth Proportional to 2,040.09, 2,815.33 and 1,108.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.09 : 2,815.33 = 1,108.59 : x
2. Step 2: Convert to fraction form
   2,040.09/2,815.33 = 1,108.59/x
3. Step 3: Cross multiply
   2,040.09x = 2,815.33 × 1,108.59
4. Step 4: Simplify right side
   2,040.09x = 3,121,058.63
5. Step 5: Solve for x
   x = 3,121,058.63/2,040.09
6. Step 6: Final answer
   x = 1,529.86