Finding the Fourth Proportional to 12,579.72, 17,359.83 and 7,275.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,579.72 : 17,359.83 = 7,275.03 : x
2. Step 2: Convert to fraction form
   12,579.72/17,359.83 = 7,275.03/x
3. Step 3: Cross multiply
   12,579.72x = 17,359.83 × 7,275.03
4. Step 4: Simplify right side
   12,579.72x = 126,293,284.04
5. Step 5: Solve for x
   x = 126,293,284.04/12,579.72
6. Step 6: Final answer
   x = 10,039.44