Finding the Fourth Proportional to 142,443.43, 196,596.15 and 82,049.09

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443.43 : 196,596.15 = 82,049.09 : x
2. Step 2: Convert to fraction form
   142,443.43/196,596.15 = 82,049.09/x
3. Step 3: Cross multiply
   142,443.43x = 196,596.15 × 82,049.09
4. Step 4: Simplify right side
   142,443.43x = 16,130,533,914.34
5. Step 5: Solve for x
   x = 16,130,533,914.34/142,443.43
6. Step 6: Final answer
   x = 113,241.69