Finding the Fourth Proportional to 2,401.61, 3,314.21 and 1,353.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.61 : 3,314.21 = 1,353.65 : x
2. Step 2: Convert to fraction form
   2,401.61/3,314.21 = 1,353.65/x
3. Step 3: Cross multiply
   2,401.61x = 3,314.21 × 1,353.65
4. Step 4: Simplify right side
   2,401.61x = 4,486,257.03
5. Step 5: Solve for x
   x = 4,486,257.03/2,401.61
6. Step 6: Final answer
   x = 1,868.02