Finding the Fourth Proportional to 142,757.20, 197,006.52 and 79,096

Step by Step Solution

1. Step 1: Write the proportion equation
   142,757.20 : 197,006.52 = 79,096 : x
2. Step 2: Convert to fraction form
   142,757.20/197,006.52 = 79,096/x
3. Step 3: Cross multiply
   142,757.20x = 197,006.52 × 79,096
4. Step 4: Simplify right side
   142,757.20x = 15,582,427,705.92
5. Step 5: Solve for x
   x = 15,582,427,705.92/142,757.20
6. Step 6: Final answer
   x = 109,153.36