Finding the Fourth Proportional to 2,578.00, 3,557.60 and 1,459.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.00 : 3,557.60 = 1,459.15 : x
2. Step 2: Convert to fraction form
   2,578.00/3,557.60 = 1,459.15/x
3. Step 3: Cross multiply
   2,578.00x = 3,557.60 × 1,459.15
4. Step 4: Simplify right side
   2,578.00x = 5,191,046.96
5. Step 5: Solve for x
   x = 5,191,046.96/2,578.00
6. Step 6: Final answer
   x = 2,013.60