Finding the Fourth Proportional to 7,082.47, 9,773.83 and 3,939.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,082.47 : 9,773.83 = 3,939.27 : x
2. Step 2: Convert to fraction form
   7,082.47/9,773.83 = 3,939.27/x
3. Step 3: Cross multiply
   7,082.47x = 9,773.83 × 3,939.27
4. Step 4: Simplify right side
   7,082.47x = 38,501,755.30
5. Step 5: Solve for x
   x = 38,501,755.30/7,082.47
6. Step 6: Final answer
   x = 5,436.20