Finding the Fourth Proportional to 22,451.67, 30,981.90 and 12,380.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.67 : 30,981.90 = 12,380.22 : x
2. Step 2: Convert to fraction form
   22,451.67/30,981.90 = 12,380.22/x
3. Step 3: Cross multiply
   22,451.67x = 30,981.90 × 12,380.22
4. Step 4: Simplify right side
   22,451.67x = 383,562,738.02
5. Step 5: Solve for x
   x = 383,562,738.02/22,451.67
6. Step 6: Final answer
   x = 17,083.93