Finding the Fourth Proportional to 161,443.68, 222,793.38 and 89,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   161,443.68 : 222,793.38 = 89,826.72 : x
2. Step 2: Convert to fraction form
   161,443.68/222,793.38 = 89,826.72/x
3. Step 3: Cross multiply
   161,443.68x = 222,793.38 × 89,826.72
4. Step 4: Simplify right side
   161,443.68x = 20,012,798,563.11
5. Step 5: Solve for x
   x = 20,012,798,563.11/161,443.68
6. Step 6: Final answer
   x = 123,961.49