Finding the Fourth Proportional to 82,144.31, 113,371.46 and 50,331.67

Step by Step Solution

1. Step 1: Write the proportion equation
   82,144.31 : 113,371.46 = 50,331.67 : x
2. Step 2: Convert to fraction form
   82,144.31/113,371.46 = 50,331.67/x
3. Step 3: Cross multiply
   82,144.31x = 113,371.46 × 50,331.67
4. Step 4: Simplify right side
   82,144.31x = 5,706,174,377.05
5. Step 5: Solve for x
   x = 5,706,174,377.05/82,144.31
6. Step 6: Final answer
   x = 69,465.24