Finding the Fourth Proportional to 231,965.91, 347,850.45 and 82,243.89

Step by Step Solution

1. Step 1: Write the proportion equation
   231,965.91 : 347,850.45 = 82,243.89 : x
2. Step 2: Convert to fraction form
   231,965.91/347,850.45 = 82,243.89/x
3. Step 3: Cross multiply
   231,965.91x = 347,850.45 × 82,243.89
4. Step 4: Simplify right side
   231,965.91x = 28,608,574,146.25
5. Step 5: Solve for x
   x = 28,608,574,146.25/231,965.91
6. Step 6: Final answer
   x = 123,330.94