Finding the Fourth Proportional to 80,590.88, 111,141 and 50,366.54

Step by Step Solution

1. Step 1: Write the proportion equation
   80,590.88 : 111,141 = 50,366.54 : x
2. Step 2: Convert to fraction form
   80,590.88/111,141 = 50,366.54/x
3. Step 3: Cross multiply
   80,590.88x = 111,141 × 50,366.54
4. Step 4: Simplify right side
   80,590.88x = 5,597,787,622.14
5. Step 5: Solve for x
   x = 5,597,787,622.14/80,590.88
6. Step 6: Final answer
   x = 69,459.32