Finding the Fourth Proportional to 22,995.30, 31,733.91 and 12,647.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,995.30 : 31,733.91 = 12,647.49 : x
2. Step 2: Convert to fraction form
   22,995.30/31,733.91 = 12,647.49/x
3. Step 3: Cross multiply
   22,995.30x = 31,733.91 × 12,647.49
4. Step 4: Simplify right side
   22,995.30x = 401,354,309.39
5. Step 5: Solve for x
   x = 401,354,309.39/22,995.30
6. Step 6: Final answer
   x = 17,453.75