Finding the Fourth Proportional to 165,040.50, 227,756.16 and 89,589

Step by Step Solution

1. Step 1: Write the proportion equation
   165,040.50 : 227,756.16 = 89,589 : x
2. Step 2: Convert to fraction form
   165,040.50/227,756.16 = 89,589/x
3. Step 3: Cross multiply
   165,040.50x = 227,756.16 × 89,589
4. Step 4: Simplify right side
   165,040.50x = 20,404,446,618.24
5. Step 5: Solve for x
   x = 20,404,446,618.24/165,040.50
6. Step 6: Final answer
   x = 123,632.97