Finding the Fourth Proportional to 404,104.24, 606,134.37 and 123,621.49

Step by Step Solution

1. Step 1: Write the proportion equation
   404,104.24 : 606,134.37 = 123,621.49 : x
2. Step 2: Convert to fraction form
   404,104.24/606,134.37 = 123,621.49/x
3. Step 3: Cross multiply
   404,104.24x = 606,134.37 × 123,621.49
4. Step 4: Simplify right side
   404,104.24x = 74,931,233,959.61
5. Step 5: Solve for x
   x = 74,931,233,959.61/404,104.24
6. Step 6: Final answer
   x = 185,425.51