Finding the Fourth Proportional to 161,412.46, 222,757.42 and 89,793.88

Step by Step Solution

1. Step 1: Write the proportion equation
   161,412.46 : 222,757.42 = 89,793.88 : x
2. Step 2: Convert to fraction form
   161,412.46/222,757.42 = 89,793.88/x
3. Step 3: Cross multiply
   161,412.46x = 222,757.42 × 89,793.88
4. Step 4: Simplify right side
   161,412.46x = 20,002,253,040.59
5. Step 5: Solve for x
   x = 20,002,253,040.59/161,412.46
6. Step 6: Final answer
   x = 123,920.13