Finding the Fourth Proportional to 9,173.24, 12,649.56 and 7,851.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.24 : 12,649.56 = 7,851.32 : x
2. Step 2: Convert to fraction form
   9,173.24/12,649.56 = 7,851.32/x
3. Step 3: Cross multiply
   9,173.24x = 12,649.56 × 7,851.32
4. Step 4: Simplify right side
   9,173.24x = 99,315,743.42
5. Step 5: Solve for x
   x = 99,315,743.42/9,173.24
6. Step 6: Final answer
   x = 10,826.68