Finding the Fourth Proportional to 22,443.33, 30,972.42 and 12,372.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.33 : 30,972.42 = 12,372.42 : x
2. Step 2: Convert to fraction form
   22,443.33/30,972.42 = 12,372.42/x
3. Step 3: Cross multiply
   22,443.33x = 30,972.42 × 12,372.42
4. Step 4: Simplify right side
   22,443.33x = 383,203,788.66
5. Step 5: Solve for x
   x = 383,203,788.66/22,443.33
6. Step 6: Final answer
   x = 17,074.28