Finding the Fourth Proportional to 22,447.43, 30,976.04 and 12,375.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,447.43 : 30,976.04 = 12,375.35 : x
2. Step 2: Convert to fraction form
   22,447.43/30,976.04 = 12,375.35/x
3. Step 3: Cross multiply
   22,447.43x = 30,976.04 × 12,375.35
4. Step 4: Simplify right side
   22,447.43x = 383,339,119.86
5. Step 5: Solve for x
   x = 383,339,119.86/22,447.43
6. Step 6: Final answer
   x = 17,077.20