Finding the Fourth Proportional to 22,008.96, 30,370.56 and 12,072.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.96 : 30,370.56 = 12,072.96 : x
2. Step 2: Convert to fraction form
   22,008.96/30,370.56 = 12,072.96/x
3. Step 3: Cross multiply
   22,008.96x = 30,370.56 × 12,072.96
4. Step 4: Simplify right side
   22,008.96x = 366,662,556.06
5. Step 5: Solve for x
   x = 366,662,556.06/22,008.96
6. Step 6: Final answer
   x = 16,659.69