Finding the Fourth Proportional to 10,183.50, 14,047.47 and 7,212.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,183.50 : 14,047.47 = 7,212.83 : x
2. Step 2: Convert to fraction form
   10,183.50/14,047.47 = 7,212.83/x
3. Step 3: Cross multiply
   10,183.50x = 14,047.47 × 7,212.83
4. Step 4: Simplify right side
   10,183.50x = 101,321,942.80
5. Step 5: Solve for x
   x = 101,321,942.80/10,183.50
6. Step 6: Final answer
   x = 9,949.62