Finding the Fourth Proportional to 2,401.11, 3,313.59 and 1,406.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.11 : 3,313.59 = 1,406.43 : x
2. Step 2: Convert to fraction form
   2,401.11/3,313.59 = 1,406.43/x
3. Step 3: Cross multiply
   2,401.11x = 3,313.59 × 1,406.43
4. Step 4: Simplify right side
   2,401.11x = 4,660,315.82
5. Step 5: Solve for x
   x = 4,660,315.82/2,401.11
6. Step 6: Final answer
   x = 1,940.90