Finding the Fourth Proportional to 181,019.43, 271,553.81 and 105,153.57

Step by Step Solution

1. Step 1: Write the proportion equation
   181,019.43 : 271,553.81 = 105,153.57 : x
2. Step 2: Convert to fraction form
   181,019.43/271,553.81 = 105,153.57/x
3. Step 3: Cross multiply
   181,019.43x = 271,553.81 × 105,153.57
4. Step 4: Simplify right side
   181,019.43x = 28,554,852,042.83
5. Step 5: Solve for x
   x = 28,554,852,042.83/181,019.43
6. Step 6: Final answer
   x = 157,744.68