Finding the Fourth Proportional to 161,141.08, 222,362.52 and 89,515

Step by Step Solution

1. Step 1: Write the proportion equation
   161,141.08 : 222,362.52 = 89,515 : x
2. Step 2: Convert to fraction form
   161,141.08/222,362.52 = 89,515/x
3. Step 3: Cross multiply
   161,141.08x = 222,362.52 × 89,515
4. Step 4: Simplify right side
   161,141.08x = 19,904,780,977.80
5. Step 5: Solve for x
   x = 19,904,780,977.80/161,141.08
6. Step 6: Final answer
   x = 123,523.94