Finding the Fourth Proportional to 325,231.72, 487,726.35 and 111,940.09

Step by Step Solution

1. Step 1: Write the proportion equation
   325,231.72 : 487,726.35 = 111,940.09 : x
2. Step 2: Convert to fraction form
   325,231.72/487,726.35 = 111,940.09/x
3. Step 3: Cross multiply
   325,231.72x = 487,726.35 × 111,940.09
4. Step 4: Simplify right side
   325,231.72x = 54,596,131,514.37
5. Step 5: Solve for x
   x = 54,596,131,514.37/325,231.72
6. Step 6: Final answer
   x = 167,868.41