Finding the Fourth Proportional to 22,451.10, 30,981.92 and 12,379.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.10 : 30,981.92 = 12,379.37 : x
2. Step 2: Convert to fraction form
   22,451.10/30,981.92 = 12,379.37/x
3. Step 3: Cross multiply
   22,451.10x = 30,981.92 × 12,379.37
4. Step 4: Simplify right side
   22,451.10x = 383,536,469.00
5. Step 5: Solve for x
   x = 383,536,469.00/22,451.10
6. Step 6: Final answer
   x = 17,083.19