Finding the Fourth Proportional to 22,793.00, 31,453.92 and 12,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,793.00 : 31,453.92 = 12,721.25 : x
2. Step 2: Convert to fraction form
   22,793.00/31,453.92 = 12,721.25/x
3. Step 3: Cross multiply
   22,793.00x = 31,453.92 × 12,721.25
4. Step 4: Simplify right side
   22,793.00x = 400,133,258.43
5. Step 5: Solve for x
   x = 400,133,258.43/22,793.00
6. Step 6: Final answer
   x = 17,555.10