Finding the Fourth Proportional to 142,568.17, 196,787.90 and 82,179.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,568.17 : 196,787.90 = 82,179.18 : x
2. Step 2: Convert to fraction form
   142,568.17/196,787.90 = 82,179.18/x
3. Step 3: Cross multiply
   142,568.17x = 196,787.90 × 82,179.18
4. Step 4: Simplify right side
   142,568.17x = 16,171,868,255.92
5. Step 5: Solve for x
   x = 16,171,868,255.92/142,568.17
6. Step 6: Final answer
   x = 113,432.53