Finding the Fourth Proportional to 142,662.78, 196,874.32 and 82,233.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,662.78 : 196,874.32 = 82,233.02 : x
2. Step 2: Convert to fraction form
   142,662.78/196,874.32 = 82,233.02/x
3. Step 3: Cross multiply
   142,662.78x = 196,874.32 × 82,233.02
4. Step 4: Simplify right side
   142,662.78x = 16,189,569,894.05
5. Step 5: Solve for x
   x = 16,189,569,894.05/142,662.78
6. Step 6: Final answer
   x = 113,481.39