Finding the Fourth Proportional to 10,399.08, 14,350.87 and 5,683.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.08 : 14,350.87 = 5,683.37 : x
2. Step 2: Convert to fraction form
   10,399.08/14,350.87 = 5,683.37/x
3. Step 3: Cross multiply
   10,399.08x = 14,350.87 × 5,683.37
4. Step 4: Simplify right side
   10,399.08x = 81,561,239.38
5. Step 5: Solve for x
   x = 81,561,239.38/10,399.08
6. Step 6: Final answer
   x = 7,843.12