Finding the Fourth Proportional to 161,619.30, 223,042.61 and 89,997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   161,619.30 : 223,042.61 = 89,997.82 : x
2. Step 2: Convert to fraction form
   161,619.30/223,042.61 = 89,997.82/x
3. Step 3: Cross multiply
   161,619.30x = 223,042.61 × 89,997.82
4. Step 4: Simplify right side
   161,619.30x = 20,073,348,334.50
5. Step 5: Solve for x
   x = 20,073,348,334.50/161,619.30
6. Step 6: Final answer
   x = 124,201.43