Finding the Fourth Proportional to 142,584.27, 196,761.87 and 82,155.03

Step by Step Solution

1. Step 1: Write the proportion equation
   142,584.27 : 196,761.87 = 82,155.03 : x
2. Step 2: Convert to fraction form
   142,584.27/196,761.87 = 82,155.03/x
3. Step 3: Cross multiply
   142,584.27x = 196,761.87 × 82,155.03
4. Step 4: Simplify right side
   142,584.27x = 16,164,977,332.71
5. Step 5: Solve for x
   x = 16,164,977,332.71/142,584.27
6. Step 6: Final answer
   x = 113,371.39