Finding the Fourth Proportional to 404,105.96, 606,395.25 and 224,342.75

Step by Step Solution

1. Step 1: Write the proportion equation
   404,105.96 : 606,395.25 = 224,342.75 : x
2. Step 2: Convert to fraction form
   404,105.96/606,395.25 = 224,342.75/x
3. Step 3: Cross multiply
   404,105.96x = 606,395.25 × 224,342.75
4. Step 4: Simplify right side
   404,105.96x = 136,040,377,971.94
5. Step 5: Solve for x
   x = 136,040,377,971.94/404,105.96
6. Step 6: Final answer
   x = 336,645.31