Finding the Fourth Proportional to 143,172.33, 197,676.68 and 89,481.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,172.33 : 197,676.68 = 89,481.48 : x
2. Step 2: Convert to fraction form
   143,172.33/197,676.68 = 89,481.48/x
3. Step 3: Cross multiply
   143,172.33x = 197,676.68 × 89,481.48
4. Step 4: Simplify right side
   143,172.33x = 17,688,401,887.89
5. Step 5: Solve for x
   x = 17,688,401,887.89/143,172.33
6. Step 6: Final answer
   x = 123,546.23