Finding the Fourth Proportional to 22,272.94, 30,736.16 and 12,581.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,272.94 : 30,736.16 = 12,581.49 : x
2. Step 2: Convert to fraction form
   22,272.94/30,736.16 = 12,581.49/x
3. Step 3: Cross multiply
   22,272.94x = 30,736.16 × 12,581.49
4. Step 4: Simplify right side
   22,272.94x = 386,706,789.21
5. Step 5: Solve for x
   x = 386,706,789.21/22,272.94
6. Step 6: Final answer
   x = 17,362.18