Finding the Fourth Proportional to 22,150.24, 30,566.84 and 12,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.24 : 30,566.84 = 12,078.72 : x
2. Step 2: Convert to fraction form
   22,150.24/30,566.84 = 12,078.72/x
3. Step 3: Cross multiply
   22,150.24x = 30,566.84 × 12,078.72
4. Step 4: Simplify right side
   22,150.24x = 369,208,301.64
5. Step 5: Solve for x
   x = 369,208,301.64/22,150.24
6. Step 6: Final answer
   x = 16,668.37