Finding the Fourth Proportional to 21,196.93, 31,795.37 and 8,049.28

Step by Step Solution

1. Step 1: Write the proportion equation
   21,196.93 : 31,795.37 = 8,049.28 : x
2. Step 2: Convert to fraction form
   21,196.93/31,795.37 = 8,049.28/x
3. Step 3: Cross multiply
   21,196.93x = 31,795.37 × 8,049.28
4. Step 4: Simplify right side
   21,196.93x = 255,929,636.61
5. Step 5: Solve for x
   x = 255,929,636.61/21,196.93
6. Step 6: Final answer
   x = 12,073.90