Finding the Fourth Proportional to 10,305, 15,452.48 and 7,186.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,305 : 15,452.48 = 7,186.52 : x
2. Step 2: Convert to fraction form
   10,305/15,452.48 = 7,186.52/x
3. Step 3: Cross multiply
   10,305x = 15,452.48 × 7,186.52
4. Step 4: Simplify right side
   10,305x = 111,049,556.57
5. Step 5: Solve for x
   x = 111,049,556.57/10,305
6. Step 6: Final answer
   x = 10,776.28