Finding the Fourth Proportional to 22,755.04, 31,401.88 and 12,683.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,755.04 : 31,401.88 = 12,683.37 : x
2. Step 2: Convert to fraction form
   22,755.04/31,401.88 = 12,683.37/x
3. Step 3: Cross multiply
   22,755.04x = 31,401.88 × 12,683.37
4. Step 4: Simplify right side
   22,755.04x = 398,281,662.74
5. Step 5: Solve for x
   x = 398,281,662.74/22,755.04
6. Step 6: Final answer
   x = 17,503.01