Finding the Fourth Proportional to 2,260.30, 3,118.89 and 1,265.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.30 : 3,118.89 = 1,265.62 : x
2. Step 2: Convert to fraction form
   2,260.30/3,118.89 = 1,265.62/x
3. Step 3: Cross multiply
   2,260.30x = 3,118.89 × 1,265.62
4. Step 4: Simplify right side
   2,260.30x = 3,947,323.23
5. Step 5: Solve for x
   x = 3,947,323.23/2,260.30
6. Step 6: Final answer
   x = 1,746.37