Finding the Fourth Proportional to 2,605.59, 3,908.88 and 962.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.59 : 3,908.88 = 962.28 : x
2. Step 2: Convert to fraction form
   2,605.59/3,908.88 = 962.28/x
3. Step 3: Cross multiply
   2,605.59x = 3,908.88 × 962.28
4. Step 4: Simplify right side
   2,605.59x = 3,761,437.05
5. Step 5: Solve for x
   x = 3,761,437.05/2,605.59
6. Step 6: Final answer
   x = 1,443.60