Finding the Fourth Proportional to 142,567.17, 196,786.52 and 82,178.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,567.17 : 196,786.52 = 82,178.18 : x
2. Step 2: Convert to fraction form
   142,567.17/196,786.52 = 82,178.18/x
3. Step 3: Cross multiply
   142,567.17x = 196,786.52 × 82,178.18
4. Step 4: Simplify right side
   142,567.17x = 16,171,558,082.40
5. Step 5: Solve for x
   x = 16,171,558,082.40/142,567.17
6. Step 6: Final answer
   x = 113,431.15