Finding the Fourth Proportional to 22,452.70, 30,982.32 and 12,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.70 : 30,982.32 = 12,380.50 : x
2. Step 2: Convert to fraction form
   22,452.70/30,982.32 = 12,380.50/x
3. Step 3: Cross multiply
   22,452.70x = 30,982.32 × 12,380.50
4. Step 4: Simplify right side
   22,452.70x = 383,576,612.76
5. Step 5: Solve for x
   x = 383,576,612.76/22,452.70
6. Step 6: Final answer
   x = 17,083.76