Finding the Fourth Proportional to 2,046.54, 3,069.36 and 814.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.54 : 3,069.36 = 814.22 : x
2. Step 2: Convert to fraction form
   2,046.54/3,069.36 = 814.22/x
3. Step 3: Cross multiply
   2,046.54x = 3,069.36 × 814.22
4. Step 4: Simplify right side
   2,046.54x = 2,499,134.30
5. Step 5: Solve for x
   x = 2,499,134.30/2,046.54
6. Step 6: Final answer
   x = 1,221.15