Finding the Fourth Proportional to 142,585.27, 196,763.25 and 82,156.03

Step by Step Solution

1. Step 1: Write the proportion equation
   142,585.27 : 196,763.25 = 82,156.03 : x
2. Step 2: Convert to fraction form
   142,585.27/196,763.25 = 82,156.03/x
3. Step 3: Cross multiply
   142,585.27x = 196,763.25 × 82,156.03
4. Step 4: Simplify right side
   142,585.27x = 16,165,287,469.90
5. Step 5: Solve for x
   x = 16,165,287,469.90/142,585.27
6. Step 6: Final answer
   x = 113,372.77