Finding the Fourth Proportional to 339,426.96, 468,493.38 and 196,166.31

Step by Step Solution

1. Step 1: Write the proportion equation
   339,426.96 : 468,493.38 = 196,166.31 : x
2. Step 2: Convert to fraction form
   339,426.96/468,493.38 = 196,166.31/x
3. Step 3: Cross multiply
   339,426.96x = 468,493.38 × 196,166.31
4. Step 4: Simplify right side
   339,426.96x = 91,902,617,614.03
5. Step 5: Solve for x
   x = 91,902,617,614.03/339,426.96
6. Step 6: Final answer
   x = 270,758.16