Finding the Fourth Proportional to 22,734, 31,372.92 and 12,798

Step by Step Solution

1. Step 1: Write the proportion equation
   22,734 : 31,372.92 = 12,798 : x
2. Step 2: Convert to fraction form
   22,734/31,372.92 = 12,798/x
3. Step 3: Cross multiply
   22,734x = 31,372.92 × 12,798
4. Step 4: Simplify right side
   22,734x = 401,510,630.16
5. Step 5: Solve for x
   x = 401,510,630.16/22,734
6. Step 6: Final answer
   x = 17,661.24