Finding the Fourth Proportional to 159,196.72, 219,792.32 and 98,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   159,196.72 : 219,792.32 = 98,831.42 : x
2. Step 2: Convert to fraction form
   159,196.72/219,792.32 = 98,831.42/x
3. Step 3: Cross multiply
   159,196.72x = 219,792.32 × 98,831.42
4. Step 4: Simplify right side
   159,196.72x = 21,722,386,208.40
5. Step 5: Solve for x
   x = 21,722,386,208.40/159,196.72
6. Step 6: Final answer
   x = 136,449.96