Finding the Fourth Proportional to 165,014.72, 227,720.56 and 89,563.20

Step by Step Solution

1. Step 1: Write the proportion equation
   165,014.72 : 227,720.56 = 89,563.20 : x
2. Step 2: Convert to fraction form
   165,014.72/227,720.56 = 89,563.20/x
3. Step 3: Cross multiply
   165,014.72x = 227,720.56 × 89,563.20
4. Step 4: Simplify right side
   165,014.72x = 20,395,382,059.39
5. Step 5: Solve for x
   x = 20,395,382,059.39/165,014.72
6. Step 6: Final answer
   x = 123,597.35