Finding the Fourth Proportional to 9,162.68, 12,644.50 and 5,183.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.68 : 12,644.50 = 5,183.71 : x
2. Step 2: Convert to fraction form
   9,162.68/12,644.50 = 5,183.71/x
3. Step 3: Cross multiply
   9,162.68x = 12,644.50 × 5,183.71
4. Step 4: Simplify right side
   9,162.68x = 65,545,421.10
5. Step 5: Solve for x
   x = 65,545,421.10/9,162.68
6. Step 6: Final answer
   x = 7,153.52