Finding the Fourth Proportional to 298,462.38, 411,875.61 and 162,496.05

Step by Step Solution

1. Step 1: Write the proportion equation
   298,462.38 : 411,875.61 = 162,496.05 : x
2. Step 2: Convert to fraction form
   298,462.38/411,875.61 = 162,496.05/x
3. Step 3: Cross multiply
   298,462.38x = 411,875.61 × 162,496.05
4. Step 4: Simplify right side
   298,462.38x = 66,928,159,716.34
5. Step 5: Solve for x
   x = 66,928,159,716.34/298,462.38
6. Step 6: Final answer
   x = 224,243.20