Finding the Fourth Proportional to 433,142.32, 649,824.16 and 166,831.32

Step by Step Solution

1. Step 1: Write the proportion equation
   433,142.32 : 649,824.16 = 166,831.32 : x
2. Step 2: Convert to fraction form
   433,142.32/649,824.16 = 166,831.32/x
3. Step 3: Cross multiply
   433,142.32x = 649,824.16 × 166,831.32
4. Step 4: Simplify right side
   433,142.32x = 108,411,022,380.69
5. Step 5: Solve for x
   x = 108,411,022,380.69/433,142.32
6. Step 6: Final answer
   x = 250,289.61