Finding the Fourth Proportional to 11,979.84, 17,942.37 and 5,744.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,979.84 : 17,942.37 = 5,744.22 : x
2. Step 2: Convert to fraction form
   11,979.84/17,942.37 = 5,744.22/x
3. Step 3: Cross multiply
   11,979.84x = 17,942.37 × 5,744.22
4. Step 4: Simplify right side
   11,979.84x = 103,064,920.60
5. Step 5: Solve for x
   x = 103,064,920.60/11,979.84
6. Step 6: Final answer
   x = 8,603.20