Finding the Fourth Proportional to 22,452.16, 30,984.20 and 12,380.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.16 : 30,984.20 = 12,380.96 : x
2. Step 2: Convert to fraction form
   22,452.16/30,984.20 = 12,380.96/x
3. Step 3: Cross multiply
   22,452.16x = 30,984.20 × 12,380.96
4. Step 4: Simplify right side
   22,452.16x = 383,614,140.83
5. Step 5: Solve for x
   x = 383,614,140.83/22,452.16
6. Step 6: Final answer
   x = 17,085.85