Finding the Fourth Proportional to 142,579.38, 196,768.71 and 82,148.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,579.38 : 196,768.71 = 82,148.94 : x
2. Step 2: Convert to fraction form
   142,579.38/196,768.71 = 82,148.94/x
3. Step 3: Cross multiply
   142,579.38x = 196,768.71 × 82,148.94
4. Step 4: Simplify right side
   142,579.38x = 16,164,340,951.67
5. Step 5: Solve for x
   x = 16,164,340,951.67/142,579.38
6. Step 6: Final answer
   x = 113,370.82