Finding the Fourth Proportional to 22,451.94, 30,982.25 and 12,380.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.94 : 30,982.25 = 12,380.45 : x
2. Step 2: Convert to fraction form
   22,451.94/30,982.25 = 12,380.45/x
3. Step 3: Cross multiply
   22,451.94x = 30,982.25 × 12,380.45
4. Step 4: Simplify right side
   22,451.94x = 383,573,980.20
5. Step 5: Solve for x
   x = 383,573,980.20/22,451.94
6. Step 6: Final answer
   x = 17,084.22