Finding the Fourth Proportional to 143,532.38, 198,072.06 and 79,869.62

Step by Step Solution

1. Step 1: Write the proportion equation
   143,532.38 : 198,072.06 = 79,869.62 : x
2. Step 2: Convert to fraction form
   143,532.38/198,072.06 = 79,869.62/x
3. Step 3: Cross multiply
   143,532.38x = 198,072.06 × 79,869.62
4. Step 4: Simplify right side
   143,532.38x = 15,819,940,164.82
5. Step 5: Solve for x
   x = 15,819,940,164.82/143,532.38
6. Step 6: Final answer
   x = 110,218.62