Finding the Fourth Proportional to 222,002.31, 306,399.37 and 165,020.03

Step by Step Solution

1. Step 1: Write the proportion equation
   222,002.31 : 306,399.37 = 165,020.03 : x
2. Step 2: Convert to fraction form
   222,002.31/306,399.37 = 165,020.03/x
3. Step 3: Cross multiply
   222,002.31x = 306,399.37 × 165,020.03
4. Step 4: Simplify right side
   222,002.31x = 50,562,031,284.83
5. Step 5: Solve for x
   x = 50,562,031,284.83/222,002.31
6. Step 6: Final answer
   x = 227,754.53