Finding the Fourth Proportional to 2,147.25, 2,963.56 and 1,308.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.25 : 2,963.56 = 1,308.27 : x
2. Step 2: Convert to fraction form
   2,147.25/2,963.56 = 1,308.27/x
3. Step 3: Cross multiply
   2,147.25x = 2,963.56 × 1,308.27
4. Step 4: Simplify right side
   2,147.25x = 3,877,146.94
5. Step 5: Solve for x
   x = 3,877,146.94/2,147.25
6. Step 6: Final answer
   x = 1,805.64