Finding the Fourth Proportional to 21,804.04, 30,093.04 and 13,308.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,804.04 : 30,093.04 = 13,308.04 : x
2. Step 2: Convert to fraction form
   21,804.04/30,093.04 = 13,308.04/x
3. Step 3: Cross multiply
   21,804.04x = 30,093.04 × 13,308.04
4. Step 4: Simplify right side
   21,804.04x = 400,479,380.04
5. Step 5: Solve for x
   x = 400,479,380.04/21,804.04
6. Step 6: Final answer
   x = 18,367.21