Finding the Fourth Proportional to 275,223.72, 379,831.61 and 152,727.62

Step by Step Solution

1. Step 1: Write the proportion equation
   275,223.72 : 379,831.61 = 152,727.62 : x
2. Step 2: Convert to fraction form
   275,223.72/379,831.61 = 152,727.62/x
3. Step 3: Cross multiply
   275,223.72x = 379,831.61 × 152,727.62
4. Step 4: Simplify right side
   275,223.72x = 58,010,775,133.27
5. Step 5: Solve for x
   x = 58,010,775,133.27/275,223.72
6. Step 6: Final answer
   x = 210,776.80