Finding the Fourth Proportional to 81,067.39, 111,874.88 and 50,853.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,067.39 : 111,874.88 = 50,853.98 : x
2. Step 2: Convert to fraction form
   81,067.39/111,874.88 = 50,853.98/x
3. Step 3: Cross multiply
   81,067.39x = 111,874.88 × 50,853.98
4. Step 4: Simplify right side
   81,067.39x = 5,689,282,910.02
5. Step 5: Solve for x
   x = 5,689,282,910.02/81,067.39
6. Step 6: Final answer
   x = 70,179.67