Finding the Fourth Proportional to 231,934.50, 320,069.61 and 131,351.94

Step by Step Solution

1. Step 1: Write the proportion equation
   231,934.50 : 320,069.61 = 131,351.94 : x
2. Step 2: Convert to fraction form
   231,934.50/320,069.61 = 131,351.94/x
3. Step 3: Cross multiply
   231,934.50x = 320,069.61 × 131,351.94
4. Step 4: Simplify right side
   231,934.50x = 42,041,764,208.54
5. Step 5: Solve for x
   x = 42,041,764,208.54/231,934.50
6. Step 6: Final answer
   x = 181,265.68