Finding the Fourth Proportional to 143,020.50, 197,377.72 and 82,593.68

Step by Step Solution

1. Step 1: Write the proportion equation
   143,020.50 : 197,377.72 = 82,593.68 : x
2. Step 2: Convert to fraction form
   143,020.50/197,377.72 = 82,593.68/x
3. Step 3: Cross multiply
   143,020.50x = 197,377.72 × 82,593.68
4. Step 4: Simplify right side
   143,020.50x = 16,302,152,244.81
5. Step 5: Solve for x
   x = 16,302,152,244.81/143,020.50
6. Step 6: Final answer
   x = 113,984.72