Finding the Fourth Proportional to 12,594.24, 17,379.60 and 7,005.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,594.24 : 17,379.60 = 7,005.12 : x
2. Step 2: Convert to fraction form
   12,594.24/17,379.60 = 7,005.12/x
3. Step 3: Cross multiply
   12,594.24x = 17,379.60 × 7,005.12
4. Step 4: Simplify right side
   12,594.24x = 121,746,183.55
5. Step 5: Solve for x
   x = 121,746,183.55/12,594.24
6. Step 6: Final answer
   x = 9,666.81