Finding the Fourth Proportional to 404,390.42, 606,563.76 and 123,908.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,390.42 : 606,563.76 = 123,908.48 : x
2. Step 2: Convert to fraction form
   404,390.42/606,563.76 = 123,908.48/x
3. Step 3: Cross multiply
   404,390.42x = 606,563.76 × 123,908.48
4. Step 4: Simplify right side
   404,390.42x = 75,158,393,524.68
5. Step 5: Solve for x
   x = 75,158,393,524.68/404,390.42
6. Step 6: Final answer
   x = 185,856.02