Finding the Fourth Proportional to 3,642.57, 5,028.48 and 2,469.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.57 : 5,028.48 = 2,469.83 : x
2. Step 2: Convert to fraction form
   3,642.57/5,028.48 = 2,469.83/x
3. Step 3: Cross multiply
   3,642.57x = 5,028.48 × 2,469.83
4. Step 4: Simplify right side
   3,642.57x = 12,419,465.62
5. Step 5: Solve for x
   x = 12,419,465.62/3,642.57
6. Step 6: Final answer
   x = 3,409.53