Finding the Fourth Proportional to 142,576, 196,706.76 and 82,145.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,576 : 196,706.76 = 82,145.04 : x
2. Step 2: Convert to fraction form
   142,576/196,706.76 = 82,145.04/x
3. Step 3: Cross multiply
   142,576x = 196,706.76 × 82,145.04
4. Step 4: Simplify right side
   142,576x = 16,158,484,668.47
5. Step 5: Solve for x
   x = 16,158,484,668.47/142,576
6. Step 6: Final answer
   x = 113,332.43