Finding the Fourth Proportional to 356,196.62, 491,553.89 and 195,066.54

Step by Step Solution

1. Step 1: Write the proportion equation
   356,196.62 : 491,553.89 = 195,066.54 : x
2. Step 2: Convert to fraction form
   356,196.62/491,553.89 = 195,066.54/x
3. Step 3: Cross multiply
   356,196.62x = 491,553.89 × 195,066.54
4. Step 4: Simplify right side
   356,196.62x = 95,885,716,545.84
5. Step 5: Solve for x
   x = 95,885,716,545.84/356,196.62
6. Step 6: Final answer
   x = 269,193.22