Finding the Fourth Proportional to 22,451.47, 30,983.76 and 12,380.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.47 : 30,983.76 = 12,380.27 : x
2. Step 2: Convert to fraction form
   22,451.47/30,983.76 = 12,380.27/x
3. Step 3: Cross multiply
   22,451.47x = 30,983.76 × 12,380.27
4. Step 4: Simplify right side
   22,451.47x = 383,587,159.50
5. Step 5: Solve for x
   x = 383,587,159.50/22,451.47
6. Step 6: Final answer
   x = 17,085.17