Finding the Fourth Proportional to 22,253.25, 30,709.49 and 12,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,253.25 : 30,709.49 = 12,317.25 : x
2. Step 2: Convert to fraction form
   22,253.25/30,709.49 = 12,317.25/x
3. Step 3: Cross multiply
   22,253.25x = 30,709.49 × 12,317.25
4. Step 4: Simplify right side
   22,253.25x = 378,256,404.12
5. Step 5: Solve for x
   x = 378,256,404.12/22,253.25
6. Step 6: Final answer
   x = 16,997.81