Finding the Fourth Proportional to 158,015.30, 237,152.55 and 152,831.30

Step by Step Solution

1. Step 1: Write the proportion equation
   158,015.30 : 237,152.55 = 152,831.30 : x
2. Step 2: Convert to fraction form
   158,015.30/237,152.55 = 152,831.30/x
3. Step 3: Cross multiply
   158,015.30x = 237,152.55 × 152,831.30
4. Step 4: Simplify right side
   158,015.30x = 36,244,332,514.82
5. Step 5: Solve for x
   x = 36,244,332,514.82/158,015.30
6. Step 6: Final answer
   x = 229,372.30