Finding the Fourth Proportional to 2,040.64, 2,816.04 and 1,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.64 : 2,816.04 = 1,109.16 : x
2. Step 2: Convert to fraction form
   2,040.64/2,816.04 = 1,109.16/x
3. Step 3: Cross multiply
   2,040.64x = 2,816.04 × 1,109.16
4. Step 4: Simplify right side
   2,040.64x = 3,123,438.93
5. Step 5: Solve for x
   x = 3,123,438.93/2,040.64
6. Step 6: Final answer
   x = 1,530.62