Finding the Fourth Proportional to 21,774.25, 30,048.47 and 12,343.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,774.25 : 30,048.47 = 12,343.42 : x
2. Step 2: Convert to fraction form
   21,774.25/30,048.47 = 12,343.42/x
3. Step 3: Cross multiply
   21,774.25x = 30,048.47 × 12,343.42
4. Step 4: Simplify right side
   21,774.25x = 370,900,885.57
5. Step 5: Solve for x
   x = 370,900,885.57/21,774.25
6. Step 6: Final answer
   x = 17,033.92