Finding the Fourth Proportional to 161,553.92, 222,939.42 and 89,932.37

Step by Step Solution

1. Step 1: Write the proportion equation
   161,553.92 : 222,939.42 = 89,932.37 : x
2. Step 2: Convert to fraction form
   161,553.92/222,939.42 = 89,932.37/x
3. Step 3: Cross multiply
   161,553.92x = 222,939.42 × 89,932.37
4. Step 4: Simplify right side
   161,553.92x = 20,049,470,407.03
5. Step 5: Solve for x
   x = 20,049,470,407.03/161,553.92
6. Step 6: Final answer
   x = 124,103.89