Finding the Fourth Proportional to 80,914.34, 111,616.05 and 50,647.11

Step by Step Solution

1. Step 1: Write the proportion equation
   80,914.34 : 111,616.05 = 50,647.11 : x
2. Step 2: Convert to fraction form
   80,914.34/111,616.05 = 50,647.11/x
3. Step 3: Cross multiply
   80,914.34x = 111,616.05 × 50,647.11
4. Step 4: Simplify right side
   80,914.34x = 5,653,030,362.12
5. Step 5: Solve for x
   x = 5,653,030,362.12/80,914.34
6. Step 6: Final answer
   x = 69,864.39