Finding the Fourth Proportional to 234,144.72, 322,850.37 and 172,979.43

Step by Step Solution

1. Step 1: Write the proportion equation
   234,144.72 : 322,850.37 = 172,979.43 : x
2. Step 2: Convert to fraction form
   234,144.72/322,850.37 = 172,979.43/x
3. Step 3: Cross multiply
   234,144.72x = 322,850.37 × 172,979.43
4. Step 4: Simplify right side
   234,144.72x = 55,846,472,977.89
5. Step 5: Solve for x
   x = 55,846,472,977.89/234,144.72
6. Step 6: Final answer
   x = 238,512.63