Finding the Fourth Proportional to 2,469.78, 3,705.39 and 1,008.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.78 : 3,705.39 = 1,008.18 : x
2. Step 2: Convert to fraction form
   2,469.78/3,705.39 = 1,008.18/x
3. Step 3: Cross multiply
   2,469.78x = 3,705.39 × 1,008.18
4. Step 4: Simplify right side
   2,469.78x = 3,735,700.09
5. Step 5: Solve for x
   x = 3,735,700.09/2,469.78
6. Step 6: Final answer
   x = 1,512.56