Finding the Fourth Proportional to 2,047.02, 3,070.82 and 814.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.02 : 3,070.82 = 814.56 : x
2. Step 2: Convert to fraction form
   2,047.02/3,070.82 = 814.56/x
3. Step 3: Cross multiply
   2,047.02x = 3,070.82 × 814.56
4. Step 4: Simplify right side
   2,047.02x = 2,501,367.14
5. Step 5: Solve for x
   x = 2,501,367.14/2,047.02
6. Step 6: Final answer
   x = 1,221.96