Finding the Fourth Proportional to 11,556.50, 15,939.81 and 7,082.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,556.50 : 15,939.81 = 7,082.41 : x
2. Step 2: Convert to fraction form
   11,556.50/15,939.81 = 7,082.41/x
3. Step 3: Cross multiply
   11,556.50x = 15,939.81 × 7,082.41
4. Step 4: Simplify right side
   11,556.50x = 112,892,324.53
5. Step 5: Solve for x
   x = 112,892,324.53/11,556.50
6. Step 6: Final answer
   x = 9,768.73