Finding the Fourth Proportional to 3,745.29, 5,131.04 and 3,605.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,745.29 : 5,131.04 = 3,605.10 : x
2. Step 2: Convert to fraction form
   3,745.29/5,131.04 = 3,605.10/x
3. Step 3: Cross multiply
   3,745.29x = 5,131.04 × 3,605.10
4. Step 4: Simplify right side
   3,745.29x = 18,497,912.30
5. Step 5: Solve for x
   x = 18,497,912.30/3,745.29
6. Step 6: Final answer
   x = 4,938.98