Finding the Fourth Proportional to 22,451.60, 30,983.42 and 12,380.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.60 : 30,983.42 = 12,380.41 : x
2. Step 2: Convert to fraction form
   22,451.60/30,983.42 = 12,380.41/x
3. Step 3: Cross multiply
   22,451.60x = 30,983.42 × 12,380.41
4. Step 4: Simplify right side
   22,451.60x = 383,587,442.80
5. Step 5: Solve for x
   x = 383,587,442.80/22,451.60
6. Step 6: Final answer
   x = 17,085.08