Finding the Fourth Proportional to 443,142.64, 664,801.62 and 162,662.32

Step by Step Solution

1. Step 1: Write the proportion equation
   443,142.64 : 664,801.62 = 162,662.32 : x
2. Step 2: Convert to fraction form
   443,142.64/664,801.62 = 162,662.32/x
3. Step 3: Cross multiply
   443,142.64x = 664,801.62 × 162,662.32
4. Step 4: Simplify right side
   443,142.64x = 108,138,173,848.96
5. Step 5: Solve for x
   x = 108,138,173,848.96/443,142.64
6. Step 6: Final answer
   x = 244,025.66