Finding the Fourth Proportional to 80,588.88, 111,138.24 and 50,364.54

Step by Step Solution

1. Step 1: Write the proportion equation
   80,588.88 : 111,138.24 = 50,364.54 : x
2. Step 2: Convert to fraction form
   80,588.88/111,138.24 = 50,364.54/x
3. Step 3: Cross multiply
   80,588.88x = 111,138.24 × 50,364.54
4. Step 4: Simplify right side
   80,588.88x = 5,597,426,334.01
5. Step 5: Solve for x
   x = 5,597,426,334.01/80,588.88
6. Step 6: Final answer
   x = 69,456.56