Finding the Fourth Proportional to 10,399.03, 14,350.37 and 5,683.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.03 : 14,350.37 = 5,683.31 : x
2. Step 2: Convert to fraction form
   10,399.03/14,350.37 = 5,683.31/x
3. Step 3: Cross multiply
   10,399.03x = 14,350.37 × 5,683.31
4. Step 4: Simplify right side
   10,399.03x = 81,557,635.69
5. Step 5: Solve for x
   x = 81,557,635.69/10,399.03
6. Step 6: Final answer
   x = 7,842.81