Finding the Fourth Proportional to 161,145.08, 222,368.04 and 89,519

Step by Step Solution

1. Step 1: Write the proportion equation
   161,145.08 : 222,368.04 = 89,519 : x
2. Step 2: Convert to fraction form
   161,145.08/222,368.04 = 89,519/x
3. Step 3: Cross multiply
   161,145.08x = 222,368.04 × 89,519
4. Step 4: Simplify right side
   161,145.08x = 19,906,164,572.76
5. Step 5: Solve for x
   x = 19,906,164,572.76/161,145.08
6. Step 6: Final answer
   x = 123,529.46