Finding the Fourth Proportional to 9,162.56, 12,644.33 and 5,183.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.56 : 12,644.33 = 5,183.59 : x
2. Step 2: Convert to fraction form
   9,162.56/12,644.33 = 5,183.59/x
3. Step 3: Cross multiply
   9,162.56x = 12,644.33 × 5,183.59
4. Step 4: Simplify right side
   9,162.56x = 65,543,022.54
5. Step 5: Solve for x
   x = 65,543,022.54/9,162.56
6. Step 6: Final answer
   x = 7,153.35