Finding the Fourth Proportional to 140,653.14, 194,106.69 and 80,233.62

Step by Step Solution

1. Step 1: Write the proportion equation
   140,653.14 : 194,106.69 = 80,233.62 : x
2. Step 2: Convert to fraction form
   140,653.14/194,106.69 = 80,233.62/x
3. Step 3: Cross multiply
   140,653.14x = 194,106.69 × 80,233.62
4. Step 4: Simplify right side
   140,653.14x = 15,573,882,404.92
5. Step 5: Solve for x
   x = 15,573,882,404.92/140,653.14
6. Step 6: Final answer
   x = 110,725.45