Finding the Fourth Proportional to 298,632.78, 412,113.18 and 164,496.78

Step by Step Solution

1. Step 1: Write the proportion equation
   298,632.78 : 412,113.18 = 164,496.78 : x
2. Step 2: Convert to fraction form
   298,632.78/412,113.18 = 164,496.78/x
3. Step 3: Cross multiply
   298,632.78x = 412,113.18 × 164,496.78
4. Step 4: Simplify right side
   298,632.78x = 67,791,291,105.56
5. Step 5: Solve for x
   x = 67,791,291,105.56/298,632.78
6. Step 6: Final answer
   x = 227,005.53