Finding the Fourth Proportional to 2,578.62, 3,558.60 and 1,459.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.62 : 3,558.60 = 1,459.61 : x
2. Step 2: Convert to fraction form
   2,578.62/3,558.60 = 1,459.61/x
3. Step 3: Cross multiply
   2,578.62x = 3,558.60 × 1,459.61
4. Step 4: Simplify right side
   2,578.62x = 5,194,168.15
5. Step 5: Solve for x
   x = 5,194,168.15/2,578.62
6. Step 6: Final answer
   x = 2,014.32