Finding the Fourth Proportional to 2,260.29, 3,119.17 and 1,265.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.29 : 3,119.17 = 1,265.61 : x
2. Step 2: Convert to fraction form
   2,260.29/3,119.17 = 1,265.61/x
3. Step 3: Cross multiply
   2,260.29x = 3,119.17 × 1,265.61
4. Step 4: Simplify right side
   2,260.29x = 3,947,637.15
5. Step 5: Solve for x
   x = 3,947,637.15/2,260.29
6. Step 6: Final answer
   x = 1,746.52