Finding the Fourth Proportional to 275,084.72, 379,617.94 and 160,442.52

Step by Step Solution

1. Step 1: Write the proportion equation
   275,084.72 : 379,617.94 = 160,442.52 : x
2. Step 2: Convert to fraction form
   275,084.72/379,617.94 = 160,442.52/x
3. Step 3: Cross multiply
   275,084.72x = 379,617.94 × 160,442.52
4. Step 4: Simplify right side
   275,084.72x = 60,906,857,707.79
5. Step 5: Solve for x
   x = 60,906,857,707.79/275,084.72
6. Step 6: Final answer
   x = 221,411.27