Finding the Fourth Proportional to 21,949.72, 32,894.22 and 19,020.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,949.72 : 32,894.22 = 19,020.76 : x
2. Step 2: Convert to fraction form
   21,949.72/32,894.22 = 19,020.76/x
3. Step 3: Cross multiply
   21,949.72x = 32,894.22 × 19,020.76
4. Step 4: Simplify right side
   21,949.72x = 625,673,064.01
5. Step 5: Solve for x
   x = 625,673,064.01/21,949.72
6. Step 6: Final answer
   x = 28,504.83