Finding the Fourth Proportional to 22,452.69, 30,984.12 and 12,380.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.69 : 30,984.12 = 12,380.96 : x
2. Step 2: Convert to fraction form
   22,452.69/30,984.12 = 12,380.96/x
3. Step 3: Cross multiply
   22,452.69x = 30,984.12 × 12,380.96
4. Step 4: Simplify right side
   22,452.69x = 383,613,227.82
5. Step 5: Solve for x
   x = 383,613,227.82/22,452.69
6. Step 6: Final answer
   x = 17,085.40