Finding the Fourth Proportional to 172,944, 238,662.72 and 93,456

Step by Step Solution

1. Step 1: Write the proportion equation
   172,944 : 238,662.72 = 93,456 : x
2. Step 2: Convert to fraction form
   172,944/238,662.72 = 93,456/x
3. Step 3: Cross multiply
   172,944x = 238,662.72 × 93,456
4. Step 4: Simplify right side
   172,944x = 22,304,463,160.32
5. Step 5: Solve for x
   x = 22,304,463,160.32/172,944
6. Step 6: Final answer
   x = 128,969.28