Finding the Fourth Proportional to 3,945.33, 5,918.27 and 1,350.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.33 : 5,918.27 = 1,350.09 : x
2. Step 2: Convert to fraction form
   3,945.33/5,918.27 = 1,350.09/x
3. Step 3: Cross multiply
   3,945.33x = 5,918.27 × 1,350.09
4. Step 4: Simplify right side
   3,945.33x = 7,990,190.39
5. Step 5: Solve for x
   x = 7,990,190.39/3,945.33
6. Step 6: Final answer
   x = 2,025.23