Finding the Fourth Proportional to 10,399.10, 14,350.75 and 5,683.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.10 : 14,350.75 = 5,683.38 : x
2. Step 2: Convert to fraction form
   10,399.10/14,350.75 = 5,683.38/x
3. Step 3: Cross multiply
   10,399.10x = 14,350.75 × 5,683.38
4. Step 4: Simplify right side
   10,399.10x = 81,560,718.82
5. Step 5: Solve for x
   x = 81,560,718.82/10,399.10
6. Step 6: Final answer
   x = 7,843.06