Finding the Fourth Proportional to 2,606.77, 3,909.97 and 962.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.77 : 3,909.97 = 962.56 : x
2. Step 2: Convert to fraction form
   2,606.77/3,909.97 = 962.56/x
3. Step 3: Cross multiply
   2,606.77x = 3,909.97 × 962.56
4. Step 4: Simplify right side
   2,606.77x = 3,763,580.72
5. Step 5: Solve for x
   x = 3,763,580.72/2,606.77
6. Step 6: Final answer
   x = 1,443.77