Finding the Fourth Proportional to 6,123.78, 8,450.83 and 3,329.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.78 : 8,450.83 = 3,329.28 : x
2. Step 2: Convert to fraction form
   6,123.78/8,450.83 = 3,329.28/x
3. Step 3: Cross multiply
   6,123.78x = 8,450.83 × 3,329.28
4. Step 4: Simplify right side
   6,123.78x = 28,135,179.30
5. Step 5: Solve for x
   x = 28,135,179.30/6,123.78
6. Step 6: Final answer
   x = 4,594.41