Finding the Fourth Proportional to 2,040.62, 2,816.01 and 1,109.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.62 : 2,816.01 = 1,109.12 : x
2. Step 2: Convert to fraction form
   2,040.62/2,816.01 = 1,109.12/x
3. Step 3: Cross multiply
   2,040.62x = 2,816.01 × 1,109.12
4. Step 4: Simplify right side
   2,040.62x = 3,123,278.93
5. Step 5: Solve for x
   x = 3,123,278.93/2,040.62
6. Step 6: Final answer
   x = 1,530.56