Finding the Fourth Proportional to 12,673.28, 17,488.80 and 7,369.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.28 : 17,488.80 = 7,369.04 : x
2. Step 2: Convert to fraction form
   12,673.28/17,488.80 = 7,369.04/x
3. Step 3: Cross multiply
   12,673.28x = 17,488.80 × 7,369.04
4. Step 4: Simplify right side
   12,673.28x = 128,875,666.75
5. Step 5: Solve for x
   x = 128,875,666.75/12,673.28
6. Step 6: Final answer
   x = 10,169.09