Finding the Fourth Proportional to 3,946.50, 5,920.38 and 1,350.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.50 : 5,920.38 = 1,350.09 : x
2. Step 2: Convert to fraction form
   3,946.50/5,920.38 = 1,350.09/x
3. Step 3: Cross multiply
   3,946.50x = 5,920.38 × 1,350.09
4. Step 4: Simplify right side
   3,946.50x = 7,993,045.83
5. Step 5: Solve for x
   x = 7,993,045.83/3,946.50
6. Step 6: Final answer
   x = 2,025.35