Finding the Fourth Proportional to 140,910.08, 194,451.89 and 80,479.48

Step by Step Solution

1. Step 1: Write the proportion equation
   140,910.08 : 194,451.89 = 80,479.48 : x
2. Step 2: Convert to fraction form
   140,910.08/194,451.89 = 80,479.48/x
3. Step 3: Cross multiply
   140,910.08x = 194,451.89 × 80,479.48
4. Step 4: Simplify right side
   140,910.08x = 15,649,386,019.96
5. Step 5: Solve for x
   x = 15,649,386,019.96/140,910.08
6. Step 6: Final answer
   x = 111,059.38