Finding the Fourth Proportional to 2,047.29, 3,072.05 and 814.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.29 : 3,072.05 = 814.71 : x
2. Step 2: Convert to fraction form
   2,047.29/3,072.05 = 814.71/x
3. Step 3: Cross multiply
   2,047.29x = 3,072.05 × 814.71
4. Step 4: Simplify right side
   2,047.29x = 2,502,825.78
5. Step 5: Solve for x
   x = 2,502,825.78/2,047.29
6. Step 6: Final answer
   x = 1,222.51