Finding the Fourth Proportional to 9,476, 13,076.72 and 5,227.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476 : 13,076.72 = 5,227.47 : x
2. Step 2: Convert to fraction form
   9,476/13,076.72 = 5,227.47/x
3. Step 3: Cross multiply
   9,476x = 13,076.72 × 5,227.47
4. Step 4: Simplify right side
   9,476x = 68,358,161.50
5. Step 5: Solve for x
   x = 68,358,161.50/9,476
6. Step 6: Final answer
   x = 7,213.82