Finding the Fourth Proportional to 142,567.43, 196,786.87 and 82,178.43

Step by Step Solution

1. Step 1: Write the proportion equation
   142,567.43 : 196,786.87 = 82,178.43 : x
2. Step 2: Convert to fraction form
   142,567.43/196,786.87 = 82,178.43/x
3. Step 3: Cross multiply
   142,567.43x = 196,786.87 × 82,178.43
4. Step 4: Simplify right side
   142,567.43x = 16,171,635,610.32
5. Step 5: Solve for x
   x = 16,171,635,610.32/142,567.43
6. Step 6: Final answer
   x = 113,431.49