Finding the Fourth Proportional to 404,568.48, 603,776.48 and 359,729.32

Step by Step Solution

1. Step 1: Write the proportion equation
   404,568.48 : 603,776.48 = 359,729.32 : x
2. Step 2: Convert to fraction form
   404,568.48/603,776.48 = 359,729.32/x
3. Step 3: Cross multiply
   404,568.48x = 603,776.48 × 359,729.32
4. Step 4: Simplify right side
   404,568.48x = 217,196,102,582.39
5. Step 5: Solve for x
   x = 217,196,102,582.39/404,568.48
6. Step 6: Final answer
   x = 536,858.69