Finding the Fourth Proportional to 2,578.66, 3,558.72 and 1,459.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.66 : 3,558.72 = 1,459.59 : x
2. Step 2: Convert to fraction form
   2,578.66/3,558.72 = 1,459.59/x
3. Step 3: Cross multiply
   2,578.66x = 3,558.72 × 1,459.59
4. Step 4: Simplify right side
   2,578.66x = 5,194,272.12
5. Step 5: Solve for x
   x = 5,194,272.12/2,578.66
6. Step 6: Final answer
   x = 2,014.33