Finding the Fourth Proportional to 165,010.72, 227,715 and 89,559.24

Step by Step Solution

1. Step 1: Write the proportion equation
   165,010.72 : 227,715 = 89,559.24 : x
2. Step 2: Convert to fraction form
   165,010.72/227,715 = 89,559.24/x
3. Step 3: Cross multiply
   165,010.72x = 227,715 × 89,559.24
4. Step 4: Simplify right side
   165,010.72x = 20,393,982,336.60
5. Step 5: Solve for x
   x = 20,393,982,336.60/165,010.72
6. Step 6: Final answer
   x = 123,591.86