Finding the Fourth Proportional to 2,205.27, 3,043.71 and 1,309.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.27 : 3,043.71 = 1,309.23 : x
2. Step 2: Convert to fraction form
   2,205.27/3,043.71 = 1,309.23/x
3. Step 3: Cross multiply
   2,205.27x = 3,043.71 × 1,309.23
4. Step 4: Simplify right side
   2,205.27x = 3,984,916.44
5. Step 5: Solve for x
   x = 3,984,916.44/2,205.27
6. Step 6: Final answer
   x = 1,807.00