Finding the Fourth Proportional to 21,933.82, 30,268.59 and 11,862.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,933.82 : 30,268.59 = 11,862.27 : x
2. Step 2: Convert to fraction form
   21,933.82/30,268.59 = 11,862.27/x
3. Step 3: Cross multiply
   21,933.82x = 30,268.59 × 11,862.27
4. Step 4: Simplify right side
   21,933.82x = 359,054,256.12
5. Step 5: Solve for x
   x = 359,054,256.12/21,933.82
6. Step 6: Final answer
   x = 16,369.89