Finding the Fourth Proportional to 2,097.02, 3,143.31 and 709.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.02 : 3,143.31 = 709.10 : x
2. Step 2: Convert to fraction form
   2,097.02/3,143.31 = 709.10/x
3. Step 3: Cross multiply
   2,097.02x = 3,143.31 × 709.10
4. Step 4: Simplify right side
   2,097.02x = 2,228,921.12
5. Step 5: Solve for x
   x = 2,228,921.12/2,097.02
6. Step 6: Final answer
   x = 1,062.90