Finding the Fourth Proportional to 2,401.85, 3,314.48 and 1,353.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.85 : 3,314.48 = 1,353.89 : x
2. Step 2: Convert to fraction form
   2,401.85/3,314.48 = 1,353.89/x
3. Step 3: Cross multiply
   2,401.85x = 3,314.48 × 1,353.89
4. Step 4: Simplify right side
   2,401.85x = 4,487,417.99
5. Step 5: Solve for x
   x = 4,487,417.99/2,401.85
6. Step 6: Final answer
   x = 1,868.32