Finding the Fourth Proportional to 2,260.16, 3,118.76 and 1,315.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.16 : 3,118.76 = 1,315.82 : x
2. Step 2: Convert to fraction form
   2,260.16/3,118.76 = 1,315.82/x
3. Step 3: Cross multiply
   2,260.16x = 3,118.76 × 1,315.82
4. Step 4: Simplify right side
   2,260.16x = 4,103,726.78
5. Step 5: Solve for x
   x = 4,103,726.78/2,260.16
6. Step 6: Final answer
   x = 1,815.68