Finding the Fourth Proportional to 142,986.86, 197,262.73 and 82,514.60

Step by Step Solution

1. Step 1: Write the proportion equation
   142,986.86 : 197,262.73 = 82,514.60 : x
2. Step 2: Convert to fraction form
   142,986.86/197,262.73 = 82,514.60/x
3. Step 3: Cross multiply
   142,986.86x = 197,262.73 × 82,514.60
4. Step 4: Simplify right side
   142,986.86x = 16,277,055,001.39
5. Step 5: Solve for x
   x = 16,277,055,001.39/142,986.86
6. Step 6: Final answer
   x = 113,836.02