Finding the Fourth Proportional to 2,401.96, 3,315.22 and 1,517.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.96 : 3,315.22 = 1,517.20 : x
2. Step 2: Convert to fraction form
   2,401.96/3,315.22 = 1,517.20/x
3. Step 3: Cross multiply
   2,401.96x = 3,315.22 × 1,517.20
4. Step 4: Simplify right side
   2,401.96x = 5,029,851.78
5. Step 5: Solve for x
   x = 5,029,851.78/2,401.96
6. Step 6: Final answer
   x = 2,094.06