Finding the Fourth Proportional to 142,538.59, 196,724.10 and 82,097.47

Step by Step Solution

1. Step 1: Write the proportion equation
   142,538.59 : 196,724.10 = 82,097.47 : x
2. Step 2: Convert to fraction form
   142,538.59/196,724.10 = 82,097.47/x
3. Step 3: Cross multiply
   142,538.59x = 196,724.10 × 82,097.47
4. Step 4: Simplify right side
   142,538.59x = 16,150,550,898.03
5. Step 5: Solve for x
   x = 16,150,550,898.03/142,538.59
6. Step 6: Final answer
   x = 113,306.52