Finding the Fourth Proportional to 2,260.77, 3,119.71 and 1,265.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.77 : 3,119.71 = 1,265.88 : x
2. Step 2: Convert to fraction form
   2,260.77/3,119.71 = 1,265.88/x
3. Step 3: Cross multiply
   2,260.77x = 3,119.71 × 1,265.88
4. Step 4: Simplify right side
   2,260.77x = 3,949,156.57
5. Step 5: Solve for x
   x = 3,949,156.57/2,260.77
6. Step 6: Final answer
   x = 1,746.82