Finding the Fourth Proportional to 142,530.14, 196,631.34 and 82,086.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,530.14 : 196,631.34 = 82,086.32 : x
2. Step 2: Convert to fraction form
   142,530.14/196,631.34 = 82,086.32/x
3. Step 3: Cross multiply
   142,530.14x = 196,631.34 × 82,086.32
4. Step 4: Simplify right side
   142,530.14x = 16,140,743,097.27
5. Step 5: Solve for x
   x = 16,140,743,097.27/142,530.14
6. Step 6: Final answer
   x = 113,244.42