Finding the Fourth Proportional to 2,401.05, 3,313.29 and 1,406.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.05 : 3,313.29 = 1,406.28 : x
2. Step 2: Convert to fraction form
   2,401.05/3,313.29 = 1,406.28/x
3. Step 3: Cross multiply
   2,401.05x = 3,313.29 × 1,406.28
4. Step 4: Simplify right side
   2,401.05x = 4,659,413.46
5. Step 5: Solve for x
   x = 4,659,413.46/2,401.05
6. Step 6: Final answer
   x = 1,940.57