Finding the Fourth Proportional to 2,040.57, 2,816.00 and 1,109.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.57 : 2,816.00 = 1,109.07 : x
2. Step 2: Convert to fraction form
   2,040.57/2,816.00 = 1,109.07/x
3. Step 3: Cross multiply
   2,040.57x = 2,816.00 × 1,109.07
4. Step 4: Simplify right side
   2,040.57x = 3,123,135.57
5. Step 5: Solve for x
   x = 3,123,135.57/2,040.57
6. Step 6: Final answer
   x = 1,530.52