Finding the Fourth Proportional to 81,069.14, 111,877.29 and 50,855.73

Step by Step Solution

1. Step 1: Write the proportion equation
   81,069.14 : 111,877.29 = 50,855.73 : x
2. Step 2: Convert to fraction form
   81,069.14/111,877.29 = 50,855.73/x
3. Step 3: Cross multiply
   81,069.14x = 111,877.29 × 50,855.73
4. Step 4: Simplify right side
   81,069.14x = 5,689,601,253.37
5. Step 5: Solve for x
   x = 5,689,601,253.37/81,069.14
6. Step 6: Final answer
   x = 70,182.09