Finding the Fourth Proportional to 2,610.33, 3,913.02 and 965.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.33 : 3,913.02 = 965.76 : x
2. Step 2: Convert to fraction form
   2,610.33/3,913.02 = 965.76/x
3. Step 3: Cross multiply
   2,610.33x = 3,913.02 × 965.76
4. Step 4: Simplify right side
   2,610.33x = 3,779,038.20
5. Step 5: Solve for x
   x = 3,779,038.20/2,610.33
6. Step 6: Final answer
   x = 1,447.72