Finding the Fourth Proportional to 142,584.22, 196,786.94 and 82,143.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,584.22 : 196,786.94 = 82,143.10 : x
2. Step 2: Convert to fraction form
   142,584.22/196,786.94 = 82,143.10/x
3. Step 3: Cross multiply
   142,584.22x = 196,786.94 × 82,143.10
4. Step 4: Simplify right side
   142,584.22x = 16,164,689,291.11
5. Step 5: Solve for x
   x = 16,164,689,291.11/142,584.22
6. Step 6: Final answer
   x = 113,369.41