Finding the Fourth Proportional to 2,260.59, 3,119.28 and 1,265.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.59 : 3,119.28 = 1,265.69 : x
2. Step 2: Convert to fraction form
   2,260.59/3,119.28 = 1,265.69/x
3. Step 3: Cross multiply
   2,260.59x = 3,119.28 × 1,265.69
4. Step 4: Simplify right side
   2,260.59x = 3,948,025.91
5. Step 5: Solve for x
   x = 3,948,025.91/2,260.59
6. Step 6: Final answer
   x = 1,746.46