Finding the Fourth Proportional to 2,406.69, 3,610.64 and 675.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.69 : 3,610.64 = 675.31 : x
2. Step 2: Convert to fraction form
   2,406.69/3,610.64 = 675.31/x
3. Step 3: Cross multiply
   2,406.69x = 3,610.64 × 675.31
4. Step 4: Simplify right side
   2,406.69x = 2,438,301.30
5. Step 5: Solve for x
   x = 2,438,301.30/2,406.69
6. Step 6: Final answer
   x = 1,013.13