Finding the Fourth Proportional to 22,144.93, 30,556.25 and 12,713.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.93 : 30,556.25 = 12,713.29 : x
2. Step 2: Convert to fraction form
   22,144.93/30,556.25 = 12,713.29/x
3. Step 3: Cross multiply
   22,144.93x = 30,556.25 × 12,713.29
4. Step 4: Simplify right side
   22,144.93x = 388,470,404.00
5. Step 5: Solve for x
   x = 388,470,404.00/22,144.93
6. Step 6: Final answer
   x = 17,542.18