Finding the Fourth Proportional to 11,496.93, 17,245.27 and 8,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,496.93 : 17,245.27 = 8,105.76 : x
2. Step 2: Convert to fraction form
   11,496.93/17,245.27 = 8,105.76/x
3. Step 3: Cross multiply
   11,496.93x = 17,245.27 × 8,105.76
4. Step 4: Simplify right side
   11,496.93x = 139,786,019.76
5. Step 5: Solve for x
   x = 139,786,019.76/11,496.93
6. Step 6: Final answer
   x = 12,158.55