Finding the Fourth Proportional to 140,738.69, 194,215.60 and 80,308.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,738.69 : 194,215.60 = 80,308.24 : x
2. Step 2: Convert to fraction form
   140,738.69/194,215.60 = 80,308.24/x
3. Step 3: Cross multiply
   140,738.69x = 194,215.60 × 80,308.24
4. Step 4: Simplify right side
   140,738.69x = 15,597,113,016.54
5. Step 5: Solve for x
   x = 15,597,113,016.54/140,738.69
6. Step 6: Final answer
   x = 110,823.21