Finding the Fourth Proportional to 142,974.30, 197,313.89 and 82,547.49

Step by Step Solution

1. Step 1: Write the proportion equation
   142,974.30 : 197,313.89 = 82,547.49 : x
2. Step 2: Convert to fraction form
   142,974.30/197,313.89 = 82,547.49/x
3. Step 3: Cross multiply
   142,974.30x = 197,313.89 × 82,547.49
4. Step 4: Simplify right side
   142,974.30x = 16,287,766,361.64
5. Step 5: Solve for x
   x = 16,287,766,361.64/142,974.30
6. Step 6: Final answer
   x = 113,920.94