Finding the Fourth Proportional to 404,567.50, 603,774.98 and 359,728.32

Step by Step Solution

1. Step 1: Write the proportion equation
   404,567.50 : 603,774.98 = 359,728.32 : x
2. Step 2: Convert to fraction form
   404,567.50/603,774.98 = 359,728.32/x
3. Step 3: Cross multiply
   404,567.50x = 603,774.98 × 359,728.32
4. Step 4: Simplify right side
   404,567.50x = 217,194,959,213.43
5. Step 5: Solve for x
   x = 217,194,959,213.43/404,567.50
6. Step 6: Final answer
   x = 536,857.16