Finding the Fourth Proportional to 22,004.76, 30,371.85 and 12,578.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,004.76 : 30,371.85 = 12,578.82 : x
2. Step 2: Convert to fraction form
   22,004.76/30,371.85 = 12,578.82/x
3. Step 3: Cross multiply
   22,004.76x = 30,371.85 × 12,578.82
4. Step 4: Simplify right side
   22,004.76x = 382,042,034.22
5. Step 5: Solve for x
   x = 382,042,034.22/22,004.76
6. Step 6: Final answer
   x = 17,361.79