Finding the Fourth Proportional to 142,568.67, 196,788.59 and 82,179.68

Step by Step Solution

1. Step 1: Write the proportion equation
   142,568.67 : 196,788.59 = 82,179.68 : x
2. Step 2: Convert to fraction form
   142,568.67/196,788.59 = 82,179.68/x
3. Step 3: Cross multiply
   142,568.67x = 196,788.59 × 82,179.68
4. Step 4: Simplify right side
   142,568.67x = 16,172,023,353.85
5. Step 5: Solve for x
   x = 16,172,023,353.85/142,568.67
6. Step 6: Final answer
   x = 113,433.22