Finding the Fourth Proportional to 2,404.14, 3,587.31 and 2,158.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.14 : 3,587.31 = 2,158.71 : x
2. Step 2: Convert to fraction form
   2,404.14/3,587.31 = 2,158.71/x
3. Step 3: Cross multiply
   2,404.14x = 3,587.31 × 2,158.71
4. Step 4: Simplify right side
   2,404.14x = 7,743,961.97
5. Step 5: Solve for x
   x = 7,743,961.97/2,404.14
6. Step 6: Final answer
   x = 3,221.09