Finding the Fourth Proportional to 7,082.24, 9,774.24 and 3,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,082.24 : 9,774.24 = 3,938.72 : x
2. Step 2: Convert to fraction form
   7,082.24/9,774.24 = 3,938.72/x
3. Step 3: Cross multiply
   7,082.24x = 9,774.24 × 3,938.72
4. Step 4: Simplify right side
   7,082.24x = 38,497,994.57
5. Step 5: Solve for x
   x = 38,497,994.57/7,082.24
6. Step 6: Final answer
   x = 5,435.85