Finding the Fourth Proportional to 2,060.43, 3,090.31 and 673.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.43 : 3,090.31 = 673.75 : x
2. Step 2: Convert to fraction form
   2,060.43/3,090.31 = 673.75/x
3. Step 3: Cross multiply
   2,060.43x = 3,090.31 × 673.75
4. Step 4: Simplify right side
   2,060.43x = 2,082,080.91
5. Step 5: Solve for x
   x = 2,082,080.91/2,060.43
6. Step 6: Final answer
   x = 1,010.51