Finding the Fourth Proportional to 2,606.48, 3,909.77 and 962.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.48 : 3,909.77 = 962.18 : x
2. Step 2: Convert to fraction form
   2,606.48/3,909.77 = 962.18/x
3. Step 3: Cross multiply
   2,606.48x = 3,909.77 × 962.18
4. Step 4: Simplify right side
   2,606.48x = 3,761,902.50
5. Step 5: Solve for x
   x = 3,761,902.50/2,606.48
6. Step 6: Final answer
   x = 1,443.29