Finding the Fourth Proportional to 2,578.25, 3,557.99 and 1,459.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.25 : 3,557.99 = 1,459.17 : x
2. Step 2: Convert to fraction form
   2,578.25/3,557.99 = 1,459.17/x
3. Step 3: Cross multiply
   2,578.25x = 3,557.99 × 1,459.17
4. Step 4: Simplify right side
   2,578.25x = 5,191,687.18
5. Step 5: Solve for x
   x = 5,191,687.18/2,578.25
6. Step 6: Final answer
   x = 2,013.65