Finding the Fourth Proportional to 80,536.91, 111,196.52 and 50,335.79

Step by Step Solution

1. Step 1: Write the proportion equation
   80,536.91 : 111,196.52 = 50,335.79 : x
2. Step 2: Convert to fraction form
   80,536.91/111,196.52 = 50,335.79/x
3. Step 3: Cross multiply
   80,536.91x = 111,196.52 × 50,335.79
4. Step 4: Simplify right side
   80,536.91x = 5,597,163,871.79
5. Step 5: Solve for x
   x = 5,597,163,871.79/80,536.91
6. Step 6: Final answer
   x = 69,498.12