Finding the Fourth Proportional to 143,049.34, 197,362.47 and 82,612

Step by Step Solution

1. Step 1: Write the proportion equation
   143,049.34 : 197,362.47 = 82,612 : x
2. Step 2: Convert to fraction form
   143,049.34/197,362.47 = 82,612/x
3. Step 3: Cross multiply
   143,049.34x = 197,362.47 × 82,612
4. Step 4: Simplify right side
   143,049.34x = 16,304,508,371.64
5. Step 5: Solve for x
   x = 16,304,508,371.64/143,049.34
6. Step 6: Final answer
   x = 113,978.21