Finding the Fourth Proportional to 404,105.74, 606,136.62 and 123,622.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,105.74 : 606,136.62 = 123,622.98 : x
2. Step 2: Convert to fraction form
   404,105.74/606,136.62 = 123,622.98/x
3. Step 3: Cross multiply
   404,105.74x = 606,136.62 × 123,622.98
4. Step 4: Simplify right side
   404,105.74x = 74,932,415,251.53
5. Step 5: Solve for x
   x = 74,932,415,251.53/404,105.74
6. Step 6: Final answer
   x = 185,427.74