Finding the Fourth Proportional to 165,016.22, 227,722.34 and 89,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   165,016.22 : 227,722.34 = 89,564.72 : x
2. Step 2: Convert to fraction form
   165,016.22/227,722.34 = 89,564.72/x
3. Step 3: Cross multiply
   165,016.22x = 227,722.34 × 89,564.72
4. Step 4: Simplify right side
   165,016.22x = 20,395,887,619.84
5. Step 5: Solve for x
   x = 20,395,887,619.84/165,016.22
6. Step 6: Final answer
   x = 123,599.29