Finding the Fourth Proportional to 143,983.47, 198,695.82 and 79,453.29

Step by Step Solution

1. Step 1: Write the proportion equation
   143,983.47 : 198,695.82 = 79,453.29 : x
2. Step 2: Convert to fraction form
   143,983.47/198,695.82 = 79,453.29/x
3. Step 3: Cross multiply
   143,983.47x = 198,695.82 × 79,453.29
4. Step 4: Simplify right side
   143,983.47x = 15,787,036,608.25
5. Step 5: Solve for x
   x = 15,787,036,608.25/143,983.47
6. Step 6: Final answer
   x = 109,644.78