Finding the Fourth Proportional to 161,096.16, 222,320.12 and 89,476.48

Step by Step Solution

1. Step 1: Write the proportion equation
   161,096.16 : 222,320.12 = 89,476.48 : x
2. Step 2: Convert to fraction form
   161,096.16/222,320.12 = 89,476.48/x
3. Step 3: Cross multiply
   161,096.16x = 222,320.12 × 89,476.48
4. Step 4: Simplify right side
   161,096.16x = 19,892,421,770.78
5. Step 5: Solve for x
   x = 19,892,421,770.78/161,096.16
6. Step 6: Final answer
   x = 123,481.66