Finding the Fourth Proportional to 142,447.67, 196,583.73 and 82,016.81

Step by Step Solution

1. Step 1: Write the proportion equation
   142,447.67 : 196,583.73 = 82,016.81 : x
2. Step 2: Convert to fraction form
   142,447.67/196,583.73 = 82,016.81/x
3. Step 3: Cross multiply
   142,447.67x = 196,583.73 × 82,016.81
4. Step 4: Simplify right side
   142,447.67x = 16,123,170,432.50
5. Step 5: Solve for x
   x = 16,123,170,432.50/142,447.67
6. Step 6: Final answer
   x = 113,186.62