Finding the Fourth Proportional to 443,332.94, 665,141.07 and 158,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   443,332.94 : 665,141.07 = 158,831.42 : x
2. Step 2: Convert to fraction form
   443,332.94/665,141.07 = 158,831.42/x
3. Step 3: Cross multiply
   443,332.94x = 665,141.07 × 158,831.42
4. Step 4: Simplify right side
   443,332.94x = 105,645,300,648.42
5. Step 5: Solve for x
   x = 105,645,300,648.42/443,332.94
6. Step 6: Final answer
   x = 238,297.88