Finding the Fourth Proportional to 22,583.25, 31,164.89 and 12,647.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,583.25 : 31,164.89 = 12,647.25 : x
2. Step 2: Convert to fraction form
   22,583.25/31,164.89 = 12,647.25/x
3. Step 3: Cross multiply
   22,583.25x = 31,164.89 × 12,647.25
4. Step 4: Simplify right side
   22,583.25x = 394,150,091.82
5. Step 5: Solve for x
   x = 394,150,091.82/22,583.25
6. Step 6: Final answer
   x = 17,453.21