Finding the Fourth Proportional to 404,136.75, 606,229.43 and 123,656.43

Step by Step Solution

1. Step 1: Write the proportion equation
   404,136.75 : 606,229.43 = 123,656.43 : x
2. Step 2: Convert to fraction form
   404,136.75/606,229.43 = 123,656.43/x
3. Step 3: Cross multiply
   404,136.75x = 606,229.43 × 123,656.43
4. Step 4: Simplify right side
   404,136.75x = 74,964,166,456.45
5. Step 5: Solve for x
   x = 74,964,166,456.45/404,136.75
6. Step 6: Final answer
   x = 185,492.08