Finding the Fourth Proportional to 23,022.22, 31,770.82 and 12,950.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,022.22 : 31,770.82 = 12,950.58 : x
2. Step 2: Convert to fraction form
   23,022.22/31,770.82 = 12,950.58/x
3. Step 3: Cross multiply
   23,022.22x = 31,770.82 × 12,950.58
4. Step 4: Simplify right side
   23,022.22x = 411,450,481.32
5. Step 5: Solve for x
   x = 411,450,481.32/23,022.22
6. Step 6: Final answer
   x = 17,871.89