Finding the Fourth Proportional to 22,443.56, 30,972.28 and 12,372.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.56 : 30,972.28 = 12,372.36 : x
2. Step 2: Convert to fraction form
   22,443.56/30,972.28 = 12,372.36/x
3. Step 3: Cross multiply
   22,443.56x = 30,972.28 × 12,372.36
4. Step 4: Simplify right side
   22,443.56x = 383,200,198.18
5. Step 5: Solve for x
   x = 383,200,198.18/22,443.56
6. Step 6: Final answer
   x = 17,073.95