Finding the Fourth Proportional to 22,145.79, 30,561.18 and 12,074.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.79 : 30,561.18 = 12,074.24 : x
2. Step 2: Convert to fraction form
   22,145.79/30,561.18 = 12,074.24/x
3. Step 3: Cross multiply
   22,145.79x = 30,561.18 × 12,074.24
4. Step 4: Simplify right side
   22,145.79x = 369,002,823.92
5. Step 5: Solve for x
   x = 369,002,823.92/22,145.79
6. Step 6: Final answer
   x = 16,662.44