Finding the Fourth Proportional to 22,194.48, 30,634.56 and 12,766.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,194.48 : 30,634.56 = 12,766.08 : x
2. Step 2: Convert to fraction form
   22,194.48/30,634.56 = 12,766.08/x
3. Step 3: Cross multiply
   22,194.48x = 30,634.56 × 12,766.08
4. Step 4: Simplify right side
   22,194.48x = 391,083,243.72
5. Step 5: Solve for x
   x = 391,083,243.72/22,194.48
6. Step 6: Final answer
   x = 17,620.74