Finding the Fourth Proportional to 2,046.77, 3,070.49 and 814.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.77 : 3,070.49 = 814.19 : x
2. Step 2: Convert to fraction form
   2,046.77/3,070.49 = 814.19/x
3. Step 3: Cross multiply
   2,046.77x = 3,070.49 × 814.19
4. Step 4: Simplify right side
   2,046.77x = 2,499,942.83
5. Step 5: Solve for x
   x = 2,499,942.83/2,046.77
6. Step 6: Final answer
   x = 1,221.41