Finding the Fourth Proportional to 404,710.32, 607,067.31 and 105,169.69

Step by Step Solution

1. Step 1: Write the proportion equation
   404,710.32 : 607,067.31 = 105,169.69 : x
2. Step 2: Convert to fraction form
   404,710.32/607,067.31 = 105,169.69/x
3. Step 3: Cross multiply
   404,710.32x = 607,067.31 × 105,169.69
4. Step 4: Simplify right side
   404,710.32x = 63,845,081,363.47
5. Step 5: Solve for x
   x = 63,845,081,363.47/404,710.32
6. Step 6: Final answer
   x = 157,755.01