Finding the Fourth Proportional to 21,823.08, 30,118.66 and 13,323.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,823.08 : 30,118.66 = 13,323.42 : x
2. Step 2: Convert to fraction form
   21,823.08/30,118.66 = 13,323.42/x
3. Step 3: Cross multiply
   21,823.08x = 30,118.66 × 13,323.42
4. Step 4: Simplify right side
   21,823.08x = 401,283,557.02
5. Step 5: Solve for x
   x = 401,283,557.02/21,823.08
6. Step 6: Final answer
   x = 18,388.03