Finding the Fourth Proportional to 22,243.43, 30,694.86 and 12,683.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243.43 : 30,694.86 = 12,683.67 : x
2. Step 2: Convert to fraction form
   22,243.43/30,694.86 = 12,683.67/x
3. Step 3: Cross multiply
   22,243.43x = 30,694.86 × 12,683.67
4. Step 4: Simplify right side
   22,243.43x = 389,323,474.94
5. Step 5: Solve for x
   x = 389,323,474.94/22,243.43
6. Step 6: Final answer
   x = 17,502.86