Finding the Fourth Proportional to 22,446.47, 30,976.20 and 12,374.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,446.47 : 30,976.20 = 12,374.69 : x
2. Step 2: Convert to fraction form
   22,446.47/30,976.20 = 12,374.69/x
3. Step 3: Cross multiply
   22,446.47x = 30,976.20 × 12,374.69
4. Step 4: Simplify right side
   22,446.47x = 383,320,717.50
5. Step 5: Solve for x
   x = 383,320,717.50/22,446.47
6. Step 6: Final answer
   x = 17,077.11