Finding the Fourth Proportional to 80,744.07, 111,426.68 and 50,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   80,744.07 : 111,426.68 = 50,105.76 : x
2. Step 2: Convert to fraction form
   80,744.07/111,426.68 = 50,105.76/x
3. Step 3: Cross multiply
   80,744.07x = 111,426.68 × 50,105.76
4. Step 4: Simplify right side
   80,744.07x = 5,583,119,098.02
5. Step 5: Solve for x
   x = 5,583,119,098.02/80,744.07
6. Step 6: Final answer
   x = 69,145.87