Finding the Fourth Proportional to 22,446.91, 30,976.95 and 12,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,446.91 : 30,976.95 = 12,375.72 : x
2. Step 2: Convert to fraction form
   22,446.91/30,976.95 = 12,375.72/x
3. Step 3: Cross multiply
   22,446.91x = 30,976.95 × 12,375.72
4. Step 4: Simplify right side
   22,446.91x = 383,362,059.65
5. Step 5: Solve for x
   x = 383,362,059.65/22,446.91
6. Step 6: Final answer
   x = 17,078.61