Finding the Fourth Proportional to 3,406.28, 5,105.10 and 3,369.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.28 : 5,105.10 = 3,369.56 : x
2. Step 2: Convert to fraction form
   3,406.28/5,105.10 = 3,369.56/x
3. Step 3: Cross multiply
   3,406.28x = 5,105.10 × 3,369.56
4. Step 4: Simplify right side
   3,406.28x = 17,201,940.76
5. Step 5: Solve for x
   x = 17,201,940.76/3,406.28
6. Step 6: Final answer
   x = 5,050.07