Finding the Fourth Proportional to 22,441.98, 30,971.72 and 12,372.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.98 : 30,971.72 = 12,372.21 : x
2. Step 2: Convert to fraction form
   22,441.98/30,971.72 = 12,372.21/x
3. Step 3: Cross multiply
   22,441.98x = 30,971.72 × 12,372.21
4. Step 4: Simplify right side
   22,441.98x = 383,188,562.04
5. Step 5: Solve for x
   x = 383,188,562.04/22,441.98
6. Step 6: Final answer
   x = 17,074.63