Finding the Fourth Proportional to 339,288.38, 468,275.55 and 196,131.41

Step by Step Solution

1. Step 1: Write the proportion equation
   339,288.38 : 468,275.55 = 196,131.41 : x
2. Step 2: Convert to fraction form
   339,288.38/468,275.55 = 196,131.41/x
3. Step 3: Cross multiply
   339,288.38x = 468,275.55 × 196,131.41
4. Step 4: Simplify right side
   339,288.38x = 91,843,543,890.03
5. Step 5: Solve for x
   x = 91,843,543,890.03/339,288.38
6. Step 6: Final answer
   x = 270,694.63