Finding the Fourth Proportional to 142,576.23, 196,775.98 and 82,135.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,576.23 : 196,775.98 = 82,135.25 : x
2. Step 2: Convert to fraction form
   142,576.23/196,775.98 = 82,135.25/x
3. Step 3: Cross multiply
   142,576.23x = 196,775.98 × 82,135.25
4. Step 4: Simplify right side
   142,576.23x = 16,162,244,311.30
5. Step 5: Solve for x
   x = 16,162,244,311.30/142,576.23
6. Step 6: Final answer
   x = 113,358.62