Finding the Fourth Proportional to 2,040.63, 2,816.09 and 1,109.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.63 : 2,816.09 = 1,109.13 : x
2. Step 2: Convert to fraction form
   2,040.63/2,816.09 = 1,109.13/x
3. Step 3: Cross multiply
   2,040.63x = 2,816.09 × 1,109.13
4. Step 4: Simplify right side
   2,040.63x = 3,123,409.90
5. Step 5: Solve for x
   x = 3,123,409.90/2,040.63
6. Step 6: Final answer
   x = 1,530.61