Finding the Fourth Proportional to 2,456.42, 3,684.75 and 1,208.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.42 : 3,684.75 = 1,208.15 : x
2. Step 2: Convert to fraction form
   2,456.42/3,684.75 = 1,208.15/x
3. Step 3: Cross multiply
   2,456.42x = 3,684.75 × 1,208.15
4. Step 4: Simplify right side
   2,456.42x = 4,451,730.71
5. Step 5: Solve for x
   x = 4,451,730.71/2,456.42
6. Step 6: Final answer
   x = 1,812.28