Finding the Fourth Proportional to 22,443.50, 30,972.02 and 12,372.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.50 : 30,972.02 = 12,372.11 : x
2. Step 2: Convert to fraction form
   22,443.50/30,972.02 = 12,372.11/x
3. Step 3: Cross multiply
   22,443.50x = 30,972.02 × 12,372.11
4. Step 4: Simplify right side
   22,443.50x = 383,189,083.50
5. Step 5: Solve for x
   x = 383,189,083.50/22,443.50
6. Step 6: Final answer
   x = 17,073.50