Finding the Fourth Proportional to 323,498.97, 485,016.38 and 123,650.91

Step by Step Solution

1. Step 1: Write the proportion equation
   323,498.97 : 485,016.38 = 123,650.91 : x
2. Step 2: Convert to fraction form
   323,498.97/485,016.38 = 123,650.91/x
3. Step 3: Cross multiply
   323,498.97x = 485,016.38 × 123,650.91
4. Step 4: Simplify right side
   323,498.97x = 59,972,716,133.65
5. Step 5: Solve for x
   x = 59,972,716,133.65/323,498.97
6. Step 6: Final answer
   x = 185,387.66