Finding the Fourth Proportional to 142,568.58, 196,788.48 and 82,179.61

Step by Step Solution

1. Step 1: Write the proportion equation
   142,568.58 : 196,788.48 = 82,179.61 : x
2. Step 2: Convert to fraction form
   142,568.58/196,788.48 = 82,179.61/x
3. Step 3: Cross multiply
   142,568.58x = 196,788.48 × 82,179.61
4. Step 4: Simplify right side
   142,568.58x = 16,171,999,554.95
5. Step 5: Solve for x
   x = 16,171,999,554.95/142,568.58
6. Step 6: Final answer
   x = 113,433.12