Finding the Fourth Proportional to 2,370.55, 3,271.39 and 1,308.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.55 : 3,271.39 = 1,308.36 : x
2. Step 2: Convert to fraction form
   2,370.55/3,271.39 = 1,308.36/x
3. Step 3: Cross multiply
   2,370.55x = 3,271.39 × 1,308.36
4. Step 4: Simplify right side
   2,370.55x = 4,280,149.28
5. Step 5: Solve for x
   x = 4,280,149.28/2,370.55
6. Step 6: Final answer
   x = 1,805.55