Finding the Fourth Proportional to 298,734.72, 412,234.56 and 164,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   298,734.72 : 412,234.56 = 164,598.72 : x
2. Step 2: Convert to fraction form
   298,734.72/412,234.56 = 164,598.72/x
3. Step 3: Cross multiply
   298,734.72x = 412,234.56 × 164,598.72
4. Step 4: Simplify right side
   298,734.72x = 67,853,280,915.76
5. Step 5: Solve for x
   x = 67,853,280,915.76/298,734.72
6. Step 6: Final answer
   x = 227,135.57