Finding the Fourth Proportional to 22,821.24, 31,492.18 and 12,747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,821.24 : 31,492.18 = 12,747.67 : x
2. Step 2: Convert to fraction form
   22,821.24/31,492.18 = 12,747.67/x
3. Step 3: Cross multiply
   22,821.24x = 31,492.18 × 12,747.67
4. Step 4: Simplify right side
   22,821.24x = 401,451,918.22
5. Step 5: Solve for x
   x = 401,451,918.22/22,821.24
6. Step 6: Final answer
   x = 17,591.15