Finding the Fourth Proportional to 22,443.47, 30,972.06 and 12,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.47 : 30,972.06 = 12,371.69 : x
2. Step 2: Convert to fraction form
   22,443.47/30,972.06 = 12,371.69/x
3. Step 3: Cross multiply
   22,443.47x = 30,972.06 × 12,371.69
4. Step 4: Simplify right side
   22,443.47x = 383,176,570.12
5. Step 5: Solve for x
   x = 383,176,570.12/22,443.47
6. Step 6: Final answer
   x = 17,072.97