Finding the Fourth Proportional to 82,057.56, 113,183.22 and 50,242.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,057.56 : 113,183.22 = 50,242.20 : x
2. Step 2: Convert to fraction form
   82,057.56/113,183.22 = 50,242.20/x
3. Step 3: Cross multiply
   82,057.56x = 113,183.22 × 50,242.20
4. Step 4: Simplify right side
   82,057.56x = 5,686,573,975.88
5. Step 5: Solve for x
   x = 5,686,573,975.88/82,057.56
6. Step 6: Final answer
   x = 69,299.82