Finding the Fourth Proportional to 2,758.72, 3,812.49 and 2,260.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.72 : 3,812.49 = 2,260.57 : x
2. Step 2: Convert to fraction form
   2,758.72/3,812.49 = 2,260.57/x
3. Step 3: Cross multiply
   2,758.72x = 3,812.49 × 2,260.57
4. Step 4: Simplify right side
   2,758.72x = 8,618,400.52
5. Step 5: Solve for x
   x = 8,618,400.52/2,758.72
6. Step 6: Final answer
   x = 3,124.06