Finding the Fourth Proportional to 21,827.25, 30,114.05 and 12,265.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,827.25 : 30,114.05 = 12,265.83 : x
2. Step 2: Convert to fraction form
   21,827.25/30,114.05 = 12,265.83/x
3. Step 3: Cross multiply
   21,827.25x = 30,114.05 × 12,265.83
4. Step 4: Simplify right side
   21,827.25x = 369,373,756.58
5. Step 5: Solve for x
   x = 369,373,756.58/21,827.25
6. Step 6: Final answer
   x = 16,922.60