Finding the Fourth Proportional to 22,176.38, 30,603.12 and 12,105

Step by Step Solution

1. Step 1: Write the proportion equation
   22,176.38 : 30,603.12 = 12,105 : x
2. Step 2: Convert to fraction form
   22,176.38/30,603.12 = 12,105/x
3. Step 3: Cross multiply
   22,176.38x = 30,603.12 × 12,105
4. Step 4: Simplify right side
   22,176.38x = 370,450,767.60
5. Step 5: Solve for x
   x = 370,450,767.60/22,176.38
6. Step 6: Final answer
   x = 16,704.74