Finding the Fourth Proportional to 161,411.96, 222,756.74 and 89,793.38

Step by Step Solution

1. Step 1: Write the proportion equation
   161,411.96 : 222,756.74 = 89,793.38 : x
2. Step 2: Convert to fraction form
   161,411.96/222,756.74 = 89,793.38/x
3. Step 3: Cross multiply
   161,411.96x = 222,756.74 × 89,793.38
4. Step 4: Simplify right side
   161,411.96x = 20,002,079,039.63
5. Step 5: Solve for x
   x = 20,002,079,039.63/161,411.96
6. Step 6: Final answer
   x = 123,919.44