Finding the Fourth Proportional to 162,636.38, 244,178.44 and 82,728.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,636.38 : 244,178.44 = 82,728.42 : x
2. Step 2: Convert to fraction form
   162,636.38/244,178.44 = 82,728.42/x
3. Step 3: Cross multiply
   162,636.38x = 244,178.44 × 82,728.42
4. Step 4: Simplify right side
   162,636.38x = 20,200,496,738.32
5. Step 5: Solve for x
   x = 20,200,496,738.32/162,636.38
6. Step 6: Final answer
   x = 124,206.51