Finding the Fourth Proportional to 165,022.38, 227,730.78 and 89,570.88

Step by Step Solution

1. Step 1: Write the proportion equation
   165,022.38 : 227,730.78 = 89,570.88 : x
2. Step 2: Convert to fraction form
   165,022.38/227,730.78 = 89,570.88/x
3. Step 3: Cross multiply
   165,022.38x = 227,730.78 × 89,570.88
4. Step 4: Simplify right side
   165,022.38x = 20,398,046,367.69
5. Step 5: Solve for x
   x = 20,398,046,367.69/165,022.38
6. Step 6: Final answer
   x = 123,607.76