Finding the Fourth Proportional to 2,260.68, 3,386.83 and 1,165.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.68 : 3,386.83 = 1,165.71 : x
2. Step 2: Convert to fraction form
   2,260.68/3,386.83 = 1,165.71/x
3. Step 3: Cross multiply
   2,260.68x = 3,386.83 × 1,165.71
4. Step 4: Simplify right side
   2,260.68x = 3,948,061.60
5. Step 5: Solve for x
   x = 3,948,061.60/2,260.68
6. Step 6: Final answer
   x = 1,746.40