Finding the Fourth Proportional to 80,550.69, 111,200.36 and 50,352.81

Step by Step Solution

1. Step 1: Write the proportion equation
   80,550.69 : 111,200.36 = 50,352.81 : x
2. Step 2: Convert to fraction form
   80,550.69/111,200.36 = 50,352.81/x
3. Step 3: Cross multiply
   80,550.69x = 111,200.36 × 50,352.81
4. Step 4: Simplify right side
   80,550.69x = 5,599,250,347.25
5. Step 5: Solve for x
   x = 5,599,250,347.25/80,550.69
6. Step 6: Final answer
   x = 69,512.13