Finding the Fourth Proportional to 6,408.56, 9,604.76 and 3,439.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408.56 : 9,604.76 = 3,439.62 : x
2. Step 2: Convert to fraction form
   6,408.56/9,604.76 = 3,439.62/x
3. Step 3: Cross multiply
   6,408.56x = 9,604.76 × 3,439.62
4. Step 4: Simplify right side
   6,408.56x = 33,036,724.59
5. Step 5: Solve for x
   x = 33,036,724.59/6,408.56
6. Step 6: Final answer
   x = 5,155.09