Finding the Fourth Proportional to 23,022, 31,770.36 and 13,086

Step by Step Solution

1. Step 1: Write the proportion equation
   23,022 : 31,770.36 = 13,086 : x
2. Step 2: Convert to fraction form
   23,022/31,770.36 = 13,086/x
3. Step 3: Cross multiply
   23,022x = 31,770.36 × 13,086
4. Step 4: Simplify right side
   23,022x = 415,746,930.96
5. Step 5: Solve for x
   x = 415,746,930.96/23,022
6. Step 6: Final answer
   x = 18,058.68