Finding the Fourth Proportional to 142,857.35, 197,092.31 and 82,443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,857.35 : 197,092.31 = 82,443.27 : x
2. Step 2: Convert to fraction form
   142,857.35/197,092.31 = 82,443.27/x
3. Step 3: Cross multiply
   142,857.35x = 197,092.31 × 82,443.27
4. Step 4: Simplify right side
   142,857.35x = 16,248,934,116.04
5. Step 5: Solve for x
   x = 16,248,934,116.04/142,857.35
6. Step 6: Final answer
   x = 113,742.38