Finding the Fourth Proportional to 199,570.56, 275,142.72 and 165,450.24

Step by Step Solution

1. Step 1: Write the proportion equation
   199,570.56 : 275,142.72 = 165,450.24 : x
2. Step 2: Convert to fraction form
   199,570.56/275,142.72 = 165,450.24/x
3. Step 3: Cross multiply
   199,570.56x = 275,142.72 × 165,450.24
4. Step 4: Simplify right side
   199,570.56x = 45,522,429,058.25
5. Step 5: Solve for x
   x = 45,522,429,058.25/199,570.56
6. Step 6: Final answer
   x = 228,101.93