Finding the Fourth Proportional to 22,145.74, 30,561.29 and 12,074.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145.74 : 30,561.29 = 12,074.27 : x
2. Step 2: Convert to fraction form
   22,145.74/30,561.29 = 12,074.27/x
3. Step 3: Cross multiply
   22,145.74x = 30,561.29 × 12,074.27
4. Step 4: Simplify right side
   22,145.74x = 369,005,267.01
5. Step 5: Solve for x
   x = 369,005,267.01/22,145.74
6. Step 6: Final answer
   x = 16,662.58