Finding the Fourth Proportional to 11,576.89, 15,976.17 and 6,271.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,576.89 : 15,976.17 = 6,271.72 : x
2. Step 2: Convert to fraction form
   11,576.89/15,976.17 = 6,271.72/x
3. Step 3: Cross multiply
   11,576.89x = 15,976.17 × 6,271.72
4. Step 4: Simplify right side
   11,576.89x = 100,198,064.91
5. Step 5: Solve for x
   x = 100,198,064.91/11,576.89
6. Step 6: Final answer
   x = 8,655.01