Finding the Fourth Proportional to 142,605.96, 196,816.82 and 82,165.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,605.96 : 196,816.82 = 82,165.02 : x
2. Step 2: Convert to fraction form
   142,605.96/196,816.82 = 82,165.02/x
3. Step 3: Cross multiply
   142,605.96x = 196,816.82 × 82,165.02
4. Step 4: Simplify right side
   142,605.96x = 16,171,457,540.81
5. Step 5: Solve for x
   x = 16,171,457,540.81/142,605.96
6. Step 6: Final answer
   x = 113,399.59