Finding the Fourth Proportional to 12,103.80, 16,704.55 and 7,326.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.80 : 16,704.55 = 7,326.37 : x
2. Step 2: Convert to fraction form
   12,103.80/16,704.55 = 7,326.37/x
3. Step 3: Cross multiply
   12,103.80x = 16,704.55 × 7,326.37
4. Step 4: Simplify right side
   12,103.80x = 122,383,608.85
5. Step 5: Solve for x
   x = 122,383,608.85/12,103.80
6. Step 6: Final answer
   x = 10,111.18