Finding the Fourth Proportional to 22,441.04, 30,970.42 and 12,371.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.04 : 30,970.42 = 12,371.28 : x
2. Step 2: Convert to fraction form
   22,441.04/30,970.42 = 12,371.28/x
3. Step 3: Cross multiply
   22,441.04x = 30,970.42 × 12,371.28
4. Step 4: Simplify right side
   22,441.04x = 383,143,737.54
5. Step 5: Solve for x
   x = 383,143,737.54/22,441.04
6. Step 6: Final answer
   x = 17,073.35