Finding the Fourth Proportional to 2,040.82, 2,816.36 and 1,109.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.82 : 2,816.36 = 1,109.32 : x
2. Step 2: Convert to fraction form
   2,040.82/2,816.36 = 1,109.32/x
3. Step 3: Cross multiply
   2,040.82x = 2,816.36 × 1,109.32
4. Step 4: Simplify right side
   2,040.82x = 3,124,244.48
5. Step 5: Solve for x
   x = 3,124,244.48/2,040.82
6. Step 6: Final answer
   x = 1,530.88