Finding the Fourth Proportional to 142,567.36, 196,786.78 and 82,178.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,567.36 : 196,786.78 = 82,178.37 : x
2. Step 2: Convert to fraction form
   142,567.36/196,786.78 = 82,178.37/x
3. Step 3: Cross multiply
   142,567.36x = 196,786.78 × 82,178.37
4. Step 4: Simplify right side
   142,567.36x = 16,171,616,612.50
5. Step 5: Solve for x
   x = 16,171,616,612.50/142,567.36
6. Step 6: Final answer
   x = 113,431.41