Finding the Fourth Proportional to 2,049.56, 3,072.72 and 816.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.56 : 3,072.72 = 816.92 : x
2. Step 2: Convert to fraction form
   2,049.56/3,072.72 = 816.92/x
3. Step 3: Cross multiply
   2,049.56x = 3,072.72 × 816.92
4. Step 4: Simplify right side
   2,049.56x = 2,510,166.42
5. Step 5: Solve for x
   x = 2,510,166.42/2,049.56
6. Step 6: Final answer
   x = 1,224.73