Finding the Fourth Proportional to 3,786.69, 5,227.25 and 2,545.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.69 : 5,227.25 = 2,545.41 : x
2. Step 2: Convert to fraction form
   3,786.69/5,227.25 = 2,545.41/x
3. Step 3: Cross multiply
   3,786.69x = 5,227.25 × 2,545.41
4. Step 4: Simplify right side
   3,786.69x = 13,305,481.70
5. Step 5: Solve for x
   x = 13,305,481.70/3,786.69
6. Step 6: Final answer
   x = 3,513.75