Finding the Fourth Proportional to 142,544.23, 196,710.20 and 82,092.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,544.23 : 196,710.20 = 82,092.31 : x
2. Step 2: Convert to fraction form
   142,544.23/196,710.20 = 82,092.31/x
3. Step 3: Cross multiply
   142,544.23x = 196,710.20 × 82,092.31
4. Step 4: Simplify right side
   142,544.23x = 16,148,394,308.10
5. Step 5: Solve for x
   x = 16,148,394,308.10/142,544.23
6. Step 6: Final answer
   x = 113,286.90