Finding the Fourth Proportional to 8,082.06, 11,139.57 and 7,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.06 : 11,139.57 = 7,662.48 : x
2. Step 2: Convert to fraction form
   8,082.06/11,139.57 = 7,662.48/x
3. Step 3: Cross multiply
   8,082.06x = 11,139.57 × 7,662.48
4. Step 4: Simplify right side
   8,082.06x = 85,356,732.33
5. Step 5: Solve for x
   x = 85,356,732.33/8,082.06
6. Step 6: Final answer
   x = 10,561.26