Finding the Fourth Proportional to 404,255.99, 557,924.82 and 336,155.78

Step by Step Solution

1. Step 1: Write the proportion equation
   404,255.99 : 557,924.82 = 336,155.78 : x
2. Step 2: Convert to fraction form
   404,255.99/557,924.82 = 336,155.78/x
3. Step 3: Cross multiply
   404,255.99x = 557,924.82 × 336,155.78
4. Step 4: Simplify right side
   404,255.99x = 187,549,653,048.46
5. Step 5: Solve for x
   x = 187,549,653,048.46/404,255.99
6. Step 6: Final answer
   x = 463,937.85