Finding the Fourth Proportional to 82,078.92, 113,242.32 and 50,214.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,078.92 : 113,242.32 = 50,214.60 : x
2. Step 2: Convert to fraction form
   82,078.92/113,242.32 = 50,214.60/x
3. Step 3: Cross multiply
   82,078.92x = 113,242.32 × 50,214.60
4. Step 4: Simplify right side
   82,078.92x = 5,686,417,801.87
5. Step 5: Solve for x
   x = 5,686,417,801.87/82,078.92
6. Step 6: Final answer
   x = 69,279.88