Finding the Fourth Proportional to 2,401.65, 3,313.71 and 1,353.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.65 : 3,313.71 = 1,353.51 : x
2. Step 2: Convert to fraction form
   2,401.65/3,313.71 = 1,353.51/x
3. Step 3: Cross multiply
   2,401.65x = 3,313.71 × 1,353.51
4. Step 4: Simplify right side
   2,401.65x = 4,485,139.62
5. Step 5: Solve for x
   x = 4,485,139.62/2,401.65
6. Step 6: Final answer
   x = 1,867.52