Finding the Fourth Proportional to 11,290.27, 16,945.91 and 5,747.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,290.27 : 16,945.91 = 5,747.76 : x
2. Step 2: Convert to fraction form
   11,290.27/16,945.91 = 5,747.76/x
3. Step 3: Cross multiply
   11,290.27x = 16,945.91 × 5,747.76
4. Step 4: Simplify right side
   11,290.27x = 97,401,016.48
5. Step 5: Solve for x
   x = 97,401,016.48/11,290.27
6. Step 6: Final answer
   x = 8,626.99