Finding the Fourth Proportional to 11,556.37, 15,948.18 and 7,018.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,556.37 : 15,948.18 = 7,018.27 : x
2. Step 2: Convert to fraction form
   11,556.37/15,948.18 = 7,018.27/x
3. Step 3: Cross multiply
   11,556.37x = 15,948.18 × 7,018.27
4. Step 4: Simplify right side
   11,556.37x = 111,928,518.42
5. Step 5: Solve for x
   x = 111,928,518.42/11,556.37
6. Step 6: Final answer
   x = 9,685.44