Finding the Fourth Proportional to 9,673.43, 13,249.28 and 9,106.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,673.43 : 13,249.28 = 9,106.02 : x
2. Step 2: Convert to fraction form
   9,673.43/13,249.28 = 9,106.02/x
3. Step 3: Cross multiply
   9,673.43x = 13,249.28 × 9,106.02
4. Step 4: Simplify right side
   9,673.43x = 120,648,231.43
5. Step 5: Solve for x
   x = 120,648,231.43/9,673.43
6. Step 6: Final answer
   x = 12,472.13