Finding the Fourth Proportional to 2,578.61, 3,558.51 and 1,459.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.61 : 3,558.51 = 1,459.55 : x
2. Step 2: Convert to fraction form
   2,578.61/3,558.51 = 1,459.55/x
3. Step 3: Cross multiply
   2,578.61x = 3,558.51 × 1,459.55
4. Step 4: Simplify right side
   2,578.61x = 5,193,832.17
5. Step 5: Solve for x
   x = 5,193,832.17/2,578.61
6. Step 6: Final answer
   x = 2,014.20