Finding the Fourth Proportional to 298,664.18, 412,156.38 and 164,528.18

Step by Step Solution

1. Step 1: Write the proportion equation
   298,664.18 : 412,156.38 = 164,528.18 : x
2. Step 2: Convert to fraction form
   298,664.18/412,156.38 = 164,528.18/x
3. Step 3: Cross multiply
   298,664.18x = 412,156.38 × 164,528.18
4. Step 4: Simplify right side
   298,664.18x = 67,811,337,016.01
5. Step 5: Solve for x
   x = 67,811,337,016.01/298,664.18
6. Step 6: Final answer
   x = 227,048.78