Finding the Fourth Proportional to 8,082.72, 12,122.73 and 2,238.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.72 : 12,122.73 = 2,238.30 : x
2. Step 2: Convert to fraction form
   8,082.72/12,122.73 = 2,238.30/x
3. Step 3: Cross multiply
   8,082.72x = 12,122.73 × 2,238.30
4. Step 4: Simplify right side
   8,082.72x = 27,134,306.56
5. Step 5: Solve for x
   x = 27,134,306.56/8,082.72
6. Step 6: Final answer
   x = 3,357.08