Finding the Fourth Proportional to 2,040.88, 2,816.42 and 1,109.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.88 : 2,816.42 = 1,109.38 : x
2. Step 2: Convert to fraction form
   2,040.88/2,816.42 = 1,109.38/x
3. Step 3: Cross multiply
   2,040.88x = 2,816.42 × 1,109.38
4. Step 4: Simplify right side
   2,040.88x = 3,124,480.02
5. Step 5: Solve for x
   x = 3,124,480.02/2,040.88
6. Step 6: Final answer
   x = 1,530.95