Finding the Fourth Proportional to 290,196.83, 400,471.62 and 162,872.42

Step by Step Solution

1. Step 1: Write the proportion equation
   290,196.83 : 400,471.62 = 162,872.42 : x
2. Step 2: Convert to fraction form
   290,196.83/400,471.62 = 162,872.42/x
3. Step 3: Cross multiply
   290,196.83x = 400,471.62 × 162,872.42
4. Step 4: Simplify right side
   290,196.83x = 65,225,781,890.72
5. Step 5: Solve for x
   x = 65,225,781,890.72/290,196.83
6. Step 6: Final answer
   x = 224,763.94