Finding the Fourth Proportional to 142,622.46, 196,839.72 and 82,181.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,622.46 : 196,839.72 = 82,181.34 : x
2. Step 2: Convert to fraction form
   142,622.46/196,839.72 = 82,181.34/x
3. Step 3: Cross multiply
   142,622.46x = 196,839.72 × 82,181.34
4. Step 4: Simplify right side
   142,622.46x = 16,176,551,954.82
5. Step 5: Solve for x
   x = 16,176,551,954.82/142,622.46
6. Step 6: Final answer
   x = 113,422.19