Finding the Fourth Proportional to 12,150.69, 16,769.82 and 7,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.69 : 16,769.82 = 7,371.42 : x
2. Step 2: Convert to fraction form
   12,150.69/16,769.82 = 7,371.42/x
3. Step 3: Cross multiply
   12,150.69x = 16,769.82 × 7,371.42
4. Step 4: Simplify right side
   12,150.69x = 123,617,386.54
5. Step 5: Solve for x
   x = 123,617,386.54/12,150.69
6. Step 6: Final answer
   x = 10,173.69