Finding the Fourth Proportional to 140,910.50, 194,449.14 and 80,469.33

Step by Step Solution

1. Step 1: Write the proportion equation
   140,910.50 : 194,449.14 = 80,469.33 : x
2. Step 2: Convert to fraction form
   140,910.50/194,449.14 = 80,469.33/x
3. Step 3: Cross multiply
   140,910.50x = 194,449.14 × 80,469.33
4. Step 4: Simplify right side
   140,910.50x = 15,647,192,014.88
5. Step 5: Solve for x
   x = 15,647,192,014.88/140,910.50
6. Step 6: Final answer
   x = 111,043.48