Finding the Fourth Proportional to 161,379.50, 222,714.83 and 89,766.18

Step by Step Solution

1. Step 1: Write the proportion equation
   161,379.50 : 222,714.83 = 89,766.18 : x
2. Step 2: Convert to fraction form
   161,379.50/222,714.83 = 89,766.18/x
3. Step 3: Cross multiply
   161,379.50x = 222,714.83 × 89,766.18
4. Step 4: Simplify right side
   161,379.50x = 19,992,259,742.86
5. Step 5: Solve for x
   x = 19,992,259,742.86/161,379.50
6. Step 6: Final answer
   x = 123,883.52