Finding the Fourth Proportional to 2,441.38, 3,659.43 and 979.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.38 : 3,659.43 = 979.78 : x
2. Step 2: Convert to fraction form
   2,441.38/3,659.43 = 979.78/x
3. Step 3: Cross multiply
   2,441.38x = 3,659.43 × 979.78
4. Step 4: Simplify right side
   2,441.38x = 3,585,436.33
5. Step 5: Solve for x
   x = 3,585,436.33/2,441.38
6. Step 6: Final answer
   x = 1,468.61