Finding the Fourth Proportional to 7,731.27, 10,671.12 and 5,082.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,731.27 : 10,671.12 = 5,082.30 : x
2. Step 2: Convert to fraction form
   7,731.27/10,671.12 = 5,082.30/x
3. Step 3: Cross multiply
   7,731.27x = 10,671.12 × 5,082.30
4. Step 4: Simplify right side
   7,731.27x = 54,233,833.18
5. Step 5: Solve for x
   x = 54,233,833.18/7,731.27
6. Step 6: Final answer
   x = 7,014.87