Finding the Fourth Proportional to 3,963.37, 5,469.29 and 2,194.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963.37 : 5,469.29 = 2,194.87 : x
2. Step 2: Convert to fraction form
   3,963.37/5,469.29 = 2,194.87/x
3. Step 3: Cross multiply
   3,963.37x = 5,469.29 × 2,194.87
4. Step 4: Simplify right side
   3,963.37x = 12,004,380.54
5. Step 5: Solve for x
   x = 12,004,380.54/3,963.37
6. Step 6: Final answer
   x = 3,028.83