Finding the Fourth Proportional to 404,104.49, 606,134.74 and 123,621.74

Step by Step Solution

1. Step 1: Write the proportion equation
   404,104.49 : 606,134.74 = 123,621.74 : x
2. Step 2: Convert to fraction form
   404,104.49/606,134.74 = 123,621.74/x
3. Step 3: Cross multiply
   404,104.49x = 606,134.74 × 123,621.74
4. Step 4: Simplify right side
   404,104.49x = 74,931,431,233.25
5. Step 5: Solve for x
   x = 74,931,431,233.25/404,104.49
6. Step 6: Final answer
   x = 185,425.88