Finding the Fourth Proportional to 259,067.91, 388,654.26 and 109,308.52

Step by Step Solution

1. Step 1: Write the proportion equation
   259,067.91 : 388,654.26 = 109,308.52 : x
2. Step 2: Convert to fraction form
   259,067.91/388,654.26 = 109,308.52/x
3. Step 3: Cross multiply
   259,067.91x = 388,654.26 × 109,308.52
4. Step 4: Simplify right side
   259,067.91x = 42,483,221,952.30
5. Step 5: Solve for x
   x = 42,483,221,952.30/259,067.91
6. Step 6: Final answer
   x = 163,984.89