Finding the Fourth Proportional to 11,982.24, 17,974.13 and 3,662.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982.24 : 17,974.13 = 3,662.55 : x
2. Step 2: Convert to fraction form
   11,982.24/17,974.13 = 3,662.55/x
3. Step 3: Cross multiply
   11,982.24x = 17,974.13 × 3,662.55
4. Step 4: Simplify right side
   11,982.24x = 65,831,131.52
5. Step 5: Solve for x
   x = 65,831,131.52/11,982.24
6. Step 6: Final answer
   x = 5,494.06