Finding the Fourth Proportional to 298,822.30, 412,362.72 and 162,853.31

Step by Step Solution

1. Step 1: Write the proportion equation
   298,822.30 : 412,362.72 = 162,853.31 : x
2. Step 2: Convert to fraction form
   298,822.30/412,362.72 = 162,853.31/x
3. Step 3: Cross multiply
   298,822.30x = 412,362.72 × 162,853.31
4. Step 4: Simplify right side
   298,822.30x = 67,154,634,903.51
5. Step 5: Solve for x
   x = 67,154,634,903.51/298,822.30
6. Step 6: Final answer
   x = 224,731.00