Finding the Fourth Proportional to 3,308.38, 4,962.59 and 1,087.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.38 : 4,962.59 = 1,087.18 : x
2. Step 2: Convert to fraction form
   3,308.38/4,962.59 = 1,087.18/x
3. Step 3: Cross multiply
   3,308.38x = 4,962.59 × 1,087.18
4. Step 4: Simplify right side
   3,308.38x = 5,395,228.60
5. Step 5: Solve for x
   x = 5,395,228.60/3,308.38
6. Step 6: Final answer
   x = 1,630.78