Finding the Fourth Proportional to 298,665.42, 412,158.11 and 164,529.42

Step by Step Solution

1. Step 1: Write the proportion equation
   298,665.42 : 412,158.11 = 164,529.42 : x
2. Step 2: Convert to fraction form
   298,665.42/412,158.11 = 164,529.42/x
3. Step 3: Cross multiply
   298,665.42x = 412,158.11 × 164,529.42
4. Step 4: Simplify right side
   298,665.42x = 67,812,133,963.95
5. Step 5: Solve for x
   x = 67,812,133,963.95/298,665.42
6. Step 6: Final answer
   x = 227,050.50