Finding the Fourth Proportional to 161,047.42, 222,238.02 and 89,432.02

Step by Step Solution

1. Step 1: Write the proportion equation
   161,047.42 : 222,238.02 = 89,432.02 : x
2. Step 2: Convert to fraction form
   161,047.42/222,238.02 = 89,432.02/x
3. Step 3: Cross multiply
   161,047.42x = 222,238.02 × 89,432.02
4. Step 4: Simplify right side
   161,047.42x = 19,875,195,049.40
5. Step 5: Solve for x
   x = 19,875,195,049.40/161,047.42
6. Step 6: Final answer
   x = 123,412.07