Finding the Fourth Proportional to 22,443.97, 30,972.75 and 12,372.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.97 : 30,972.75 = 12,372.19 : x
2. Step 2: Convert to fraction form
   22,443.97/30,972.75 = 12,372.19/x
3. Step 3: Cross multiply
   22,443.97x = 30,972.75 × 12,372.19
4. Step 4: Simplify right side
   22,443.97x = 383,200,592.96
5. Step 5: Solve for x
   x = 383,200,592.96/22,443.97
6. Step 6: Final answer
   x = 17,073.66