Finding the Fourth Proportional to 2,401.21, 3,313.97 and 1,353.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.21 : 3,313.97 = 1,353.25 : x
2. Step 2: Convert to fraction form
   2,401.21/3,313.97 = 1,353.25/x
3. Step 3: Cross multiply
   2,401.21x = 3,313.97 × 1,353.25
4. Step 4: Simplify right side
   2,401.21x = 4,484,629.90
5. Step 5: Solve for x
   x = 4,484,629.90/2,401.21
6. Step 6: Final answer
   x = 1,867.65