Finding the Fourth Proportional to 2,587.82, 3,571.17 and 1,408.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.82 : 3,571.17 = 1,408.82 : x
2. Step 2: Convert to fraction form
   2,587.82/3,571.17 = 1,408.82/x
3. Step 3: Cross multiply
   2,587.82x = 3,571.17 × 1,408.82
4. Step 4: Simplify right side
   2,587.82x = 5,031,135.72
5. Step 5: Solve for x
   x = 5,031,135.72/2,587.82
6. Step 6: Final answer
   x = 1,944.16