Finding the Fourth Proportional to 2,401.64, 3,314.42 and 1,353.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.64 : 3,314.42 = 1,353.76 : x
2. Step 2: Convert to fraction form
   2,401.64/3,314.42 = 1,353.76/x
3. Step 3: Cross multiply
   2,401.64x = 3,314.42 × 1,353.76
4. Step 4: Simplify right side
   2,401.64x = 4,486,929.22
5. Step 5: Solve for x
   x = 4,486,929.22/2,401.64
6. Step 6: Final answer
   x = 1,868.28