Finding the Fourth Proportional to 9,162.72, 12,645.18 and 5,183.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.72 : 12,645.18 = 5,183.83 : x
2. Step 2: Convert to fraction form
   9,162.72/12,645.18 = 5,183.83/x
3. Step 3: Cross multiply
   9,162.72x = 12,645.18 × 5,183.83
4. Step 4: Simplify right side
   9,162.72x = 65,550,479.25
5. Step 5: Solve for x
   x = 65,550,479.25/9,162.72
6. Step 6: Final answer
   x = 7,154.04