Finding the Fourth Proportional to 21,755.38, 30,023.04 and 12,323.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,755.38 : 30,023.04 = 12,323.94 : x
2. Step 2: Convert to fraction form
   21,755.38/30,023.04 = 12,323.94/x
3. Step 3: Cross multiply
   21,755.38x = 30,023.04 × 12,323.94
4. Step 4: Simplify right side
   21,755.38x = 370,002,143.58
5. Step 5: Solve for x
   x = 370,002,143.58/21,755.38
6. Step 6: Final answer
   x = 17,007.39