Finding the Fourth Proportional to 161,286.69, 222,563.01 and 89,662.35

Step by Step Solution

1. Step 1: Write the proportion equation
   161,286.69 : 222,563.01 = 89,662.35 : x
2. Step 2: Convert to fraction form
   161,286.69/222,563.01 = 89,662.35/x
3. Step 3: Cross multiply
   161,286.69x = 222,563.01 × 89,662.35
4. Step 4: Simplify right side
   161,286.69x = 19,955,522,499.67
5. Step 5: Solve for x
   x = 19,955,522,499.67/161,286.69
6. Step 6: Final answer
   x = 123,727.03