Finding the Fourth Proportional to 22,452.80, 30,986.25 and 12,381.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.80 : 30,986.25 = 12,381.22 : x
2. Step 2: Convert to fraction form
   22,452.80/30,986.25 = 12,381.22/x
3. Step 3: Cross multiply
   22,452.80x = 30,986.25 × 12,381.22
4. Step 4: Simplify right side
   22,452.80x = 383,647,570.53
5. Step 5: Solve for x
   x = 383,647,570.53/22,452.80
6. Step 6: Final answer
   x = 17,086.85