Finding the Fourth Proportional to 298,758.72, 412,267.68 and 164,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   298,758.72 : 412,267.68 = 164,622.72 : x
2. Step 2: Convert to fraction form
   298,758.72/412,267.68 = 164,622.72/x
3. Step 3: Cross multiply
   298,758.72x = 412,267.68 × 164,622.72
4. Step 4: Simplify right side
   298,758.72x = 67,868,626,849.69
5. Step 5: Solve for x
   x = 67,868,626,849.69/298,758.72
6. Step 6: Final answer
   x = 227,168.69