Finding the Fourth Proportional to 165,065.12, 227,794.56 and 89,618.56

Step by Step Solution

1. Step 1: Write the proportion equation
   165,065.12 : 227,794.56 = 89,618.56 : x
2. Step 2: Convert to fraction form
   165,065.12/227,794.56 = 89,618.56/x
3. Step 3: Cross multiply
   165,065.12x = 227,794.56 × 89,618.56
4. Step 4: Simplify right side
   165,065.12x = 20,414,620,443.03
5. Step 5: Solve for x
   x = 20,414,620,443.03/165,065.12
6. Step 6: Final answer
   x = 123,676.16