Finding the Fourth Proportional to 3,963.55, 5,469.32 and 2,369.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963.55 : 5,469.32 = 2,369.89 : x
2. Step 2: Convert to fraction form
   3,963.55/5,469.32 = 2,369.89/x
3. Step 3: Cross multiply
   3,963.55x = 5,469.32 × 2,369.89
4. Step 4: Simplify right side
   3,963.55x = 12,961,686.77
5. Step 5: Solve for x
   x = 12,961,686.77/3,963.55
6. Step 6: Final answer
   x = 3,270.22