Finding the Fourth Proportional to 80,112.42, 120,290.94 and 67,793.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,112.42 : 120,290.94 = 67,793.94 : x
2. Step 2: Convert to fraction form
   80,112.42/120,290.94 = 67,793.94/x
3. Step 3: Cross multiply
   80,112.42x = 120,290.94 × 67,793.94
4. Step 4: Simplify right side
   80,112.42x = 8,154,996,768.90
5. Step 5: Solve for x
   x = 8,154,996,768.90/80,112.42
6. Step 6: Final answer
   x = 101,794.41