Finding the Fourth Proportional to 22,443.46, 30,971.96 and 12,372.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.46 : 30,971.96 = 12,372.07 : x
2. Step 2: Convert to fraction form
   22,443.46/30,971.96 = 12,372.07/x
3. Step 3: Cross multiply
   22,443.46x = 30,971.96 × 12,372.07
4. Step 4: Simplify right side
   22,443.46x = 383,187,257.16
5. Step 5: Solve for x
   x = 383,187,257.16/22,443.46
6. Step 6: Final answer
   x = 17,073.45