Finding the Fourth Proportional to 404,105.87, 606,136.82 and 123,623.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,105.87 : 606,136.82 = 123,623.12 : x
2. Step 2: Convert to fraction form
   404,105.87/606,136.82 = 123,623.12/x
3. Step 3: Cross multiply
   404,105.87x = 606,136.82 × 123,623.12
4. Step 4: Simplify right side
   404,105.87x = 74,932,521,186.48
5. Step 5: Solve for x
   x = 74,932,521,186.48/404,105.87
6. Step 6: Final answer
   x = 185,427.95