Finding the Fourth Proportional to 22,198.27, 30,634.52 and 12,766.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,198.27 : 30,634.52 = 12,766.83 : x
2. Step 2: Convert to fraction form
   22,198.27/30,634.52 = 12,766.83/x
3. Step 3: Cross multiply
   22,198.27x = 30,634.52 × 12,766.83
4. Step 4: Simplify right side
   22,198.27x = 391,105,740.89
5. Step 5: Solve for x
   x = 391,105,740.89/22,198.27
6. Step 6: Final answer
   x = 17,618.75