Finding the Fourth Proportional to 2,047.05, 3,070.89 and 814.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.05 : 3,070.89 = 814.41 : x
2. Step 2: Convert to fraction form
   2,047.05/3,070.89 = 814.41/x
3. Step 3: Cross multiply
   2,047.05x = 3,070.89 × 814.41
4. Step 4: Simplify right side
   2,047.05x = 2,500,963.52
5. Step 5: Solve for x
   x = 2,500,963.52/2,047.05
6. Step 6: Final answer
   x = 1,221.74