Finding the Fourth Proportional to 22,754.48, 31,401.33 and 12,683.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,754.48 : 31,401.33 = 12,683.57 : x
2. Step 2: Convert to fraction form
   22,754.48/31,401.33 = 12,683.57/x
3. Step 3: Cross multiply
   22,754.48x = 31,401.33 × 12,683.57
4. Step 4: Simplify right side
   22,754.48x = 398,280,810.14
5. Step 5: Solve for x
   x = 398,280,810.14/22,754.48
6. Step 6: Final answer
   x = 17,503.41