Finding the Fourth Proportional to 3,545.89, 4,888.25 and 2,494.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545.89 : 4,888.25 = 2,494.69 : x
2. Step 2: Convert to fraction form
   3,545.89/4,888.25 = 2,494.69/x
3. Step 3: Cross multiply
   3,545.89x = 4,888.25 × 2,494.69
4. Step 4: Simplify right side
   3,545.89x = 12,194,668.39
5. Step 5: Solve for x
   x = 12,194,668.39/3,545.89
6. Step 6: Final answer
   x = 3,439.10