Finding the Fourth Proportional to 2,601.40, 3,587.25 and 2,229.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.40 : 3,587.25 = 2,229.61 : x
2. Step 2: Convert to fraction form
   2,601.40/3,587.25 = 2,229.61/x
3. Step 3: Cross multiply
   2,601.40x = 3,587.25 × 2,229.61
4. Step 4: Simplify right side
   2,601.40x = 7,998,168.47
5. Step 5: Solve for x
   x = 7,998,168.47/2,601.40
6. Step 6: Final answer
   x = 3,074.56