Finding the Fourth Proportional to 22,397.54, 30,907.92 and 12,326

Step by Step Solution

1. Step 1: Write the proportion equation
   22,397.54 : 30,907.92 = 12,326 : x
2. Step 2: Convert to fraction form
   22,397.54/30,907.92 = 12,326/x
3. Step 3: Cross multiply
   22,397.54x = 30,907.92 × 12,326
4. Step 4: Simplify right side
   22,397.54x = 380,971,021.92
5. Step 5: Solve for x
   x = 380,971,021.92/22,397.54
6. Step 6: Final answer
   x = 17,009.50