Finding the Fourth Proportional to 2,604.86, 3,908.81 and 962.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.86 : 3,908.81 = 962.55 : x
2. Step 2: Convert to fraction form
   2,604.86/3,908.81 = 962.55/x
3. Step 3: Cross multiply
   2,604.86x = 3,908.81 × 962.55
4. Step 4: Simplify right side
   2,604.86x = 3,762,420.25
5. Step 5: Solve for x
   x = 3,762,420.25/2,604.86
6. Step 6: Final answer
   x = 1,444.39