Finding the Fourth Proportional to 11,868.48, 17,796.72 and 6,939.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,868.48 : 17,796.72 = 6,939.72 : x
2. Step 2: Convert to fraction form
   11,868.48/17,796.72 = 6,939.72/x
3. Step 3: Cross multiply
   11,868.48x = 17,796.72 × 6,939.72
4. Step 4: Simplify right side
   11,868.48x = 123,504,253.72
5. Step 5: Solve for x
   x = 123,504,253.72/11,868.48
6. Step 6: Final answer
   x = 10,406.07