Finding the Fourth Proportional to 2,209.49, 3,049.31 and 1,265.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.49 : 3,049.31 = 1,265.36 : x
2. Step 2: Convert to fraction form
   2,209.49/3,049.31 = 1,265.36/x
3. Step 3: Cross multiply
   2,209.49x = 3,049.31 × 1,265.36
4. Step 4: Simplify right side
   2,209.49x = 3,858,485.69
5. Step 5: Solve for x
   x = 3,858,485.69/2,209.49
6. Step 6: Final answer
   x = 1,746.32