Finding the Fourth Proportional to 22,145.97, 30,561.62 and 12,074.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.97 : 30,561.62 = 12,074.48 : x
2. Step 2: Convert to fraction form
   22,145.97/30,561.62 = 12,074.48/x
3. Step 3: Cross multiply
   22,145.97x = 30,561.62 × 12,074.48
4. Step 4: Simplify right side
   22,145.97x = 369,015,456.28
5. Step 5: Solve for x
   x = 369,015,456.28/22,145.97
6. Step 6: Final answer
   x = 16,662.87