Finding the Fourth Proportional to 2,578.36, 3,558.31 and 1,459.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.36 : 3,558.31 = 1,459.31 : x
2. Step 2: Convert to fraction form
   2,578.36/3,558.31 = 1,459.31/x
3. Step 3: Cross multiply
   2,578.36x = 3,558.31 × 1,459.31
4. Step 4: Simplify right side
   2,578.36x = 5,192,677.37
5. Step 5: Solve for x
   x = 5,192,677.37/2,578.36
6. Step 6: Final answer
   x = 2,013.95