Finding the Fourth Proportional to 2,578.98, 3,558.76 and 1,459.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.98 : 3,558.76 = 1,459.86 : x
2. Step 2: Convert to fraction form
   2,578.98/3,558.76 = 1,459.86/x
3. Step 3: Cross multiply
   2,578.98x = 3,558.76 × 1,459.86
4. Step 4: Simplify right side
   2,578.98x = 5,195,291.37
5. Step 5: Solve for x
   x = 5,195,291.37/2,578.98
6. Step 6: Final answer
   x = 2,014.48