Finding the Fourth Proportional to 298,414.53, 411,810.89 and 162,456.03

Step by Step Solution

1. Step 1: Write the proportion equation
   298,414.53 : 411,810.89 = 162,456.03 : x
2. Step 2: Convert to fraction form
   298,414.53/411,810.89 = 162,456.03/x
3. Step 3: Cross multiply
   298,414.53x = 411,810.89 × 162,456.03
4. Step 4: Simplify right side
   298,414.53x = 66,901,161,487.89
5. Step 5: Solve for x
   x = 66,901,161,487.89/298,414.53
6. Step 6: Final answer
   x = 224,188.69