Finding the Fourth Proportional to 2,046.81, 3,068.37 and 814.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.81 : 3,068.37 = 814.95 : x
2. Step 2: Convert to fraction form
   2,046.81/3,068.37 = 814.95/x
3. Step 3: Cross multiply
   2,046.81x = 3,068.37 × 814.95
4. Step 4: Simplify right side
   2,046.81x = 2,500,568.13
5. Step 5: Solve for x
   x = 2,500,568.13/2,046.81
6. Step 6: Final answer
   x = 1,221.69