Finding the Fourth Proportional to 22,443.17, 30,970.17 and 12,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.17 : 30,970.17 = 12,371.69 : x
2. Step 2: Convert to fraction form
   22,443.17/30,970.17 = 12,371.69/x
3. Step 3: Cross multiply
   22,443.17x = 30,970.17 × 12,371.69
4. Step 4: Simplify right side
   22,443.17x = 383,153,187.64
5. Step 5: Solve for x
   x = 383,153,187.64/22,443.17
6. Step 6: Final answer
   x = 17,072.15