Finding the Fourth Proportional to 12,581.43, 17,360.97 and 7,545.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581.43 : 17,360.97 = 7,545.86 : x
2. Step 2: Convert to fraction form
   12,581.43/17,360.97 = 7,545.86/x
3. Step 3: Cross multiply
   12,581.43x = 17,360.97 × 7,545.86
4. Step 4: Simplify right side
   12,581.43x = 131,003,399.09
5. Step 5: Solve for x
   x = 131,003,399.09/12,581.43
6. Step 6: Final answer
   x = 10,412.44