Finding the Fourth Proportional to 80,513.62, 111,086.22 and 50,329.64

Step by Step Solution

1. Step 1: Write the proportion equation
   80,513.62 : 111,086.22 = 50,329.64 : x
2. Step 2: Convert to fraction form
   80,513.62/111,086.22 = 50,329.64/x
3. Step 3: Cross multiply
   80,513.62x = 111,086.22 × 50,329.64
4. Step 4: Simplify right side
   80,513.62x = 5,590,929,461.56
5. Step 5: Solve for x
   x = 5,590,929,461.56/80,513.62
6. Step 6: Final answer
   x = 69,440.79