Finding the Fourth Proportional to 12,103.88, 16,704.26 and 7,389.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.88 : 16,704.26 = 7,389.07 : x
2. Step 2: Convert to fraction form
   12,103.88/16,704.26 = 7,389.07/x
3. Step 3: Cross multiply
   12,103.88x = 16,704.26 × 7,389.07
4. Step 4: Simplify right side
   12,103.88x = 123,428,895.44
5. Step 5: Solve for x
   x = 123,428,895.44/12,103.88
6. Step 6: Final answer
   x = 10,197.47