Finding the Fourth Proportional to 21,944.52, 30,281.24 and 12,383.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,944.52 : 30,281.24 = 12,383.55 : x
2. Step 2: Convert to fraction form
   21,944.52/30,281.24 = 12,383.55/x
3. Step 3: Cross multiply
   21,944.52x = 30,281.24 × 12,383.55
4. Step 4: Simplify right side
   21,944.52x = 374,989,280.56
5. Step 5: Solve for x
   x = 374,989,280.56/21,944.52
6. Step 6: Final answer
   x = 17,088.06