Finding the Fourth Proportional to 144,568.71, 199,401.89 and 87,983.73

Step by Step Solution

1. Step 1: Write the proportion equation
   144,568.71 : 199,401.89 = 87,983.73 : x
2. Step 2: Convert to fraction form
   144,568.71/199,401.89 = 87,983.73/x
3. Step 3: Cross multiply
   144,568.71x = 199,401.89 × 87,983.73
4. Step 4: Simplify right side
   144,568.71x = 17,544,121,611.33
5. Step 5: Solve for x
   x = 17,544,121,611.33/144,568.71
6. Step 6: Final answer
   x = 121,354.90