Finding the Fourth Proportional to 162,272.30, 223,934.49 and 89,680.05

Step by Step Solution

1. Step 1: Write the proportion equation
   162,272.30 : 223,934.49 = 89,680.05 : x
2. Step 2: Convert to fraction form
   162,272.30/223,934.49 = 89,680.05/x
3. Step 3: Cross multiply
   162,272.30x = 223,934.49 × 89,680.05
4. Step 4: Simplify right side
   162,272.30x = 20,082,456,259.92
5. Step 5: Solve for x
   x = 20,082,456,259.92/162,272.30
6. Step 6: Final answer
   x = 123,757.76