Finding the Fourth Proportional to 3,960.74, 5,451.72 and 3,462.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.74 : 5,451.72 = 3,462.14 : x
2. Step 2: Convert to fraction form
   3,960.74/5,451.72 = 3,462.14/x
3. Step 3: Cross multiply
   3,960.74x = 5,451.72 × 3,462.14
4. Step 4: Simplify right side
   3,960.74x = 18,874,617.88
5. Step 5: Solve for x
   x = 18,874,617.88/3,960.74
6. Step 6: Final answer
   x = 4,765.43