Finding the Fourth Proportional to 2,258.38, 3,404.43 and 2,107.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.38 : 3,404.43 = 2,107.82 : x
2. Step 2: Convert to fraction form
   2,258.38/3,404.43 = 2,107.82/x
3. Step 3: Cross multiply
   2,258.38x = 3,404.43 × 2,107.82
4. Step 4: Simplify right side
   2,258.38x = 7,175,934.15
5. Step 5: Solve for x
   x = 7,175,934.15/2,258.38
6. Step 6: Final answer
   x = 3,177.47