Finding the Fourth Proportional to 3,760.18, 5,185.61 and 3,228.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.18 : 5,185.61 = 3,228.89 : x
2. Step 2: Convert to fraction form
   3,760.18/5,185.61 = 3,228.89/x
3. Step 3: Cross multiply
   3,760.18x = 5,185.61 × 3,228.89
4. Step 4: Simplify right side
   3,760.18x = 16,743,764.27
5. Step 5: Solve for x
   x = 16,743,764.27/3,760.18
6. Step 6: Final answer
   x = 4,452.92