Finding the Fourth Proportional to 2,384.62, 3,578.52 and 1,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.62 : 3,578.52 = 1,086.10 : x
2. Step 2: Convert to fraction form
   2,384.62/3,578.52 = 1,086.10/x
3. Step 3: Cross multiply
   2,384.62x = 3,578.52 × 1,086.10
4. Step 4: Simplify right side
   2,384.62x = 3,886,630.57
5. Step 5: Solve for x
   x = 3,886,630.57/2,384.62
6. Step 6: Final answer
   x = 1,629.87