Finding the Fourth Proportional to 2,047.27, 3,070.59 and 814.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.27 : 3,070.59 = 814.36 : x
2. Step 2: Convert to fraction form
   2,047.27/3,070.59 = 814.36/x
3. Step 3: Cross multiply
   2,047.27x = 3,070.59 × 814.36
4. Step 4: Simplify right side
   2,047.27x = 2,500,565.67
5. Step 5: Solve for x
   x = 2,500,565.67/2,047.27
6. Step 6: Final answer
   x = 1,221.41