Finding the Fourth Proportional to 22,451.74, 30,983.61 and 12,380.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.74 : 30,983.61 = 12,380.54 : x
2. Step 2: Convert to fraction form
   22,451.74/30,983.61 = 12,380.54/x
3. Step 3: Cross multiply
   22,451.74x = 30,983.61 × 12,380.54
4. Step 4: Simplify right side
   22,451.74x = 383,593,714.46
5. Step 5: Solve for x
   x = 383,593,714.46/22,451.74
6. Step 6: Final answer
   x = 17,085.26