Finding the Fourth Proportional to 2,578.95, 3,863.16 and 1,846.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.95 : 3,863.16 = 1,846.71 : x
2. Step 2: Convert to fraction form
   2,578.95/3,863.16 = 1,846.71/x
3. Step 3: Cross multiply
   2,578.95x = 3,863.16 × 1,846.71
4. Step 4: Simplify right side
   2,578.95x = 7,134,136.20
5. Step 5: Solve for x
   x = 7,134,136.20/2,578.95
6. Step 6: Final answer
   x = 2,766.29