Finding the Fourth Proportional to 11,751.49, 17,627.30 and 3,960.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,751.49 : 17,627.30 = 3,960.37 : x
2. Step 2: Convert to fraction form
   11,751.49/17,627.30 = 3,960.37/x
3. Step 3: Cross multiply
   11,751.49x = 17,627.30 × 3,960.37
4. Step 4: Simplify right side
   11,751.49x = 69,810,610.30
5. Step 5: Solve for x
   x = 69,810,610.30/11,751.49
6. Step 6: Final answer
   x = 5,940.58