Finding the Fourth Proportional to 2,370.71, 3,271.56 and 1,308.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.71 : 3,271.56 = 1,308.49 : x
2. Step 2: Convert to fraction form
   2,370.71/3,271.56 = 1,308.49/x
3. Step 3: Cross multiply
   2,370.71x = 3,271.56 × 1,308.49
4. Step 4: Simplify right side
   2,370.71x = 4,280,803.54
5. Step 5: Solve for x
   x = 4,280,803.54/2,370.71
6. Step 6: Final answer
   x = 1,805.71