Finding the Fourth Proportional to 2,464.55, 3,400.35 and 1,578.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,464.55 : 3,400.35 = 1,578.82 : x
2. Step 2: Convert to fraction form
   2,464.55/3,400.35 = 1,578.82/x
3. Step 3: Cross multiply
   2,464.55x = 3,400.35 × 1,578.82
4. Step 4: Simplify right side
   2,464.55x = 5,368,540.59
5. Step 5: Solve for x
   x = 5,368,540.59/2,464.55
6. Step 6: Final answer
   x = 2,178.30