Finding the Fourth Proportional to 3,405.33, 4,719.42 and 3,353.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405.33 : 4,719.42 = 3,353.49 : x
2. Step 2: Convert to fraction form
   3,405.33/4,719.42 = 3,353.49/x
3. Step 3: Cross multiply
   3,405.33x = 4,719.42 × 3,353.49
4. Step 4: Simplify right side
   3,405.33x = 15,826,527.78
5. Step 5: Solve for x
   x = 15,826,527.78/3,405.33
6. Step 6: Final answer
   x = 4,647.58