Finding the Fourth Proportional to 109,422.27, 150,856.47 and 82,082.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,422.27 : 150,856.47 = 82,082.12 : x
2. Step 2: Convert to fraction form
   109,422.27/150,856.47 = 82,082.12/x
3. Step 3: Cross multiply
   109,422.27x = 150,856.47 × 82,082.12
4. Step 4: Simplify right side
   109,422.27x = 12,382,618,119.03
5. Step 5: Solve for x
   x = 12,382,618,119.03/109,422.27
6. Step 6: Final answer
   x = 113,163.60