Finding the Fourth Proportional to 22,443.15, 30,970.12 and 12,371.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.15 : 30,970.12 = 12,371.03 : x
2. Step 2: Convert to fraction form
   22,443.15/30,970.12 = 12,371.03/x
3. Step 3: Cross multiply
   22,443.15x = 30,970.12 × 12,371.03
4. Step 4: Simplify right side
   22,443.15x = 383,132,283.62
5. Step 5: Solve for x
   x = 383,132,283.62/22,443.15
6. Step 6: Final answer
   x = 17,071.23