Finding the Fourth Proportional to 404,103.74, 606,133.62 and 123,620.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,103.74 : 606,133.62 = 123,620.98 : x
2. Step 2: Convert to fraction form
   404,103.74/606,133.62 = 123,620.98/x
3. Step 3: Cross multiply
   404,103.74x = 606,133.62 × 123,620.98
4. Step 4: Simplify right side
   404,103.74x = 74,930,832,115.35
5. Step 5: Solve for x
   x = 74,930,832,115.35/404,103.74
6. Step 6: Final answer
   x = 185,424.74