Finding the Fourth Proportional to 3,728.73, 5,586.06 and 3,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.73 : 5,586.06 = 3,116.37 : x
2. Step 2: Convert to fraction form
   3,728.73/5,586.06 = 3,116.37/x
3. Step 3: Cross multiply
   3,728.73x = 5,586.06 × 3,116.37
4. Step 4: Simplify right side
   3,728.73x = 17,408,229.80
5. Step 5: Solve for x
   x = 17,408,229.80/3,728.73
6. Step 6: Final answer
   x = 4,668.68