Finding the Fourth Proportional to 2,046.58, 3,068.64 and 814.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.58 : 3,068.64 = 814.18 : x
2. Step 2: Convert to fraction form
   2,046.58/3,068.64 = 814.18/x
3. Step 3: Cross multiply
   2,046.58x = 3,068.64 × 814.18
4. Step 4: Simplify right side
   2,046.58x = 2,498,425.32
5. Step 5: Solve for x
   x = 2,498,425.32/2,046.58
6. Step 6: Final answer
   x = 1,220.78