Finding the Fourth Proportional to 7,632.47, 10,514.82 and 7,173.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,632.47 : 10,514.82 = 7,173.20 : x
2. Step 2: Convert to fraction form
   7,632.47/10,514.82 = 7,173.20/x
3. Step 3: Cross multiply
   7,632.47x = 10,514.82 × 7,173.20
4. Step 4: Simplify right side
   7,632.47x = 75,424,818.38
5. Step 5: Solve for x
   x = 75,424,818.38/7,632.47
6. Step 6: Final answer
   x = 9,882.10