Finding the Fourth Proportional to 8,082.79, 12,119.83 and 3,151.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.79 : 12,119.83 = 3,151.10 : x
2. Step 2: Convert to fraction form
   8,082.79/12,119.83 = 3,151.10/x
3. Step 3: Cross multiply
   8,082.79x = 12,119.83 × 3,151.10
4. Step 4: Simplify right side
   8,082.79x = 38,190,818.73
5. Step 5: Solve for x
   x = 38,190,818.73/8,082.79
6. Step 6: Final answer
   x = 4,724.96