Finding the Fourth Proportional to 9,162.04, 12,643.90 and 5,183.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.04 : 12,643.90 = 5,183.07 : x
2. Step 2: Convert to fraction form
   9,162.04/12,643.90 = 5,183.07/x
3. Step 3: Cross multiply
   9,162.04x = 12,643.90 × 5,183.07
4. Step 4: Simplify right side
   9,162.04x = 65,534,192.86
5. Step 5: Solve for x
   x = 65,534,192.86/9,162.04
6. Step 6: Final answer
   x = 7,152.79