Finding the Fourth Proportional to 9,162.53, 12,644.28 and 5,183.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.53 : 12,644.28 = 5,183.54 : x
2. Step 2: Convert to fraction form
   9,162.53/12,644.28 = 5,183.54/x
3. Step 3: Cross multiply
   9,162.53x = 12,644.28 × 5,183.54
4. Step 4: Simplify right side
   9,162.53x = 65,542,162.76
5. Step 5: Solve for x
   x = 65,542,162.76/9,162.53
6. Step 6: Final answer
   x = 7,153.29