Finding the Fourth Proportional to 296,114.89, 408,638.54 and 160,148.83

Step by Step Solution

1. Step 1: Write the proportion equation
   296,114.89 : 408,638.54 = 160,148.83 : x
2. Step 2: Convert to fraction form
   296,114.89/408,638.54 = 160,148.83/x
3. Step 3: Cross multiply
   296,114.89x = 408,638.54 × 160,148.83
4. Step 4: Simplify right side
   296,114.89x = 65,442,984,073.91
5. Step 5: Solve for x
   x = 65,442,984,073.91/296,114.89
6. Step 6: Final answer
   x = 221,005.38