Finding the Fourth Proportional to 142,566.38, 196,719.69 and 82,125.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,566.38 : 196,719.69 = 82,125.22 : x
2. Step 2: Convert to fraction form
   142,566.38/196,719.69 = 82,125.22/x
3. Step 3: Cross multiply
   142,566.38x = 196,719.69 × 82,125.22
4. Step 4: Simplify right side
   142,566.38x = 16,155,647,408.96
5. Step 5: Solve for x
   x = 16,155,647,408.96/142,566.38
6. Step 6: Final answer
   x = 113,320.18