Finding the Fourth Proportional to 22,949.48, 31,664.88 and 13,383.65

Step by Step Solution

1. Step 1: Write the proportion equation
   22,949.48 : 31,664.88 = 13,383.65 : x
2. Step 2: Convert to fraction form
   22,949.48/31,664.88 = 13,383.65/x
3. Step 3: Cross multiply
   22,949.48x = 31,664.88 × 13,383.65
4. Step 4: Simplify right side
   22,949.48x = 423,791,512.89
5. Step 5: Solve for x
   x = 423,791,512.89/22,949.48
6. Step 6: Final answer
   x = 18,466.28