Finding the Fourth Proportional to 142,958.52, 197,291.70 and 82,540.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,958.52 : 197,291.70 = 82,540.22 : x
2. Step 2: Convert to fraction form
   142,958.52/197,291.70 = 82,540.22/x
3. Step 3: Cross multiply
   142,958.52x = 197,291.70 × 82,540.22
4. Step 4: Simplify right side
   142,958.52x = 16,284,499,335.72
5. Step 5: Solve for x
   x = 16,284,499,335.72/142,958.52
6. Step 6: Final answer
   x = 113,910.66