Finding the Fourth Proportional to 161,527.69, 222,915.54 and 89,912.28

Step by Step Solution

1. Step 1: Write the proportion equation
   161,527.69 : 222,915.54 = 89,912.28 : x
2. Step 2: Convert to fraction form
   161,527.69/222,915.54 = 89,912.28/x
3. Step 3: Cross multiply
   161,527.69x = 222,915.54 × 89,912.28
4. Step 4: Simplify right side
   161,527.69x = 20,042,844,448.83
5. Step 5: Solve for x
   x = 20,042,844,448.83/161,527.69
6. Step 6: Final answer
   x = 124,083.03