Finding the Fourth Proportional to 10,683.51, 16,016.49 and 6,939.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,683.51 : 16,016.49 = 6,939.15 : x
2. Step 2: Convert to fraction form
   10,683.51/16,016.49 = 6,939.15/x
3. Step 3: Cross multiply
   10,683.51x = 16,016.49 × 6,939.15
4. Step 4: Simplify right side
   10,683.51x = 111,140,826.58
5. Step 5: Solve for x
   x = 111,140,826.58/10,683.51
6. Step 6: Final answer
   x = 10,403.03