Finding the Fourth Proportional to 404,923.36, 607,443.12 and 124,464.16

Step by Step Solution

1. Step 1: Write the proportion equation
   404,923.36 : 607,443.12 = 124,464.16 : x
2. Step 2: Convert to fraction form
   404,923.36/607,443.12 = 124,464.16/x
3. Step 3: Cross multiply
   404,923.36x = 607,443.12 × 124,464.16
4. Step 4: Simplify right side
   404,923.36x = 75,604,897,678.58
5. Step 5: Solve for x
   x = 75,604,897,678.58/404,923.36
6. Step 6: Final answer
   x = 186,714.09