Finding the Fourth Proportional to 22,446.63, 30,976.56 and 12,375.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,446.63 : 30,976.56 = 12,375.45 : x
2. Step 2: Convert to fraction form
   22,446.63/30,976.56 = 12,375.45/x
3. Step 3: Cross multiply
   22,446.63x = 30,976.56 × 12,375.45
4. Step 4: Simplify right side
   22,446.63x = 383,348,869.45
5. Step 5: Solve for x
   x = 383,348,869.45/22,446.63
6. Step 6: Final answer
   x = 17,078.24