Finding the Fourth Proportional to 2,408.34, 3,610.32 and 868.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.34 : 3,610.32 = 868.98 : x
2. Step 2: Convert to fraction form
   2,408.34/3,610.32 = 868.98/x
3. Step 3: Cross multiply
   2,408.34x = 3,610.32 × 868.98
4. Step 4: Simplify right side
   2,408.34x = 3,137,295.87
5. Step 5: Solve for x
   x = 3,137,295.87/2,408.34
6. Step 6: Final answer
   x = 1,302.68