Finding the Fourth Proportional to 404,005.98, 606,007.98 and 119,718.66

Step by Step Solution

1. Step 1: Write the proportion equation
   404,005.98 : 606,007.98 = 119,718.66 : x
2. Step 2: Convert to fraction form
   404,005.98/606,007.98 = 119,718.66/x
3. Step 3: Cross multiply
   404,005.98x = 606,007.98 × 119,718.66
4. Step 4: Simplify right side
   404,005.98x = 72,550,463,314.91
5. Step 5: Solve for x
   x = 72,550,463,314.91/404,005.98
6. Step 6: Final answer
   x = 179,577.70