Finding the Fourth Proportional to 12,579.72, 17,360.37 and 7,544.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,579.72 : 17,360.37 = 7,544.76 : x
2. Step 2: Convert to fraction form
   12,579.72/17,360.37 = 7,544.76/x
3. Step 3: Cross multiply
   12,579.72x = 17,360.37 × 7,544.76
4. Step 4: Simplify right side
   12,579.72x = 130,979,825.16
5. Step 5: Solve for x
   x = 130,979,825.16/12,579.72
6. Step 6: Final answer
   x = 10,411.98