Finding the Fourth Proportional to 3,789.37, 5,676.54 and 2,963.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.37 : 5,676.54 = 2,963.78 : x
2. Step 2: Convert to fraction form
   3,789.37/5,676.54 = 2,963.78/x
3. Step 3: Cross multiply
   3,789.37x = 5,676.54 × 2,963.78
4. Step 4: Simplify right side
   3,789.37x = 16,824,015.72
5. Step 5: Solve for x
   x = 16,824,015.72/3,789.37
6. Step 6: Final answer
   x = 4,439.79