Finding the Fourth Proportional to 2,462.82, 3,396.51 and 1,578.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.82 : 3,396.51 = 1,578.30 : x
2. Step 2: Convert to fraction form
   2,462.82/3,396.51 = 1,578.30/x
3. Step 3: Cross multiply
   2,462.82x = 3,396.51 × 1,578.30
4. Step 4: Simplify right side
   2,462.82x = 5,360,711.73
5. Step 5: Solve for x
   x = 5,360,711.73/2,462.82
6. Step 6: Final answer
   x = 2,176.66