Finding the Fourth Proportional to 21,923.20, 30,254.76 and 12,363

Step by Step Solution

1. Step 1: Write the proportion equation
   21,923.20 : 30,254.76 = 12,363 : x
2. Step 2: Convert to fraction form
   21,923.20/30,254.76 = 12,363/x
3. Step 3: Cross multiply
   21,923.20x = 30,254.76 × 12,363
4. Step 4: Simplify right side
   21,923.20x = 374,039,597.88
5. Step 5: Solve for x
   x = 374,039,597.88/21,923.20
6. Step 6: Final answer
   x = 17,061.36