Finding the Fourth Proportional to 2,348.72, 3,241.27 and 1,286.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.72 : 3,241.27 = 1,286.47 : x
2. Step 2: Convert to fraction form
   2,348.72/3,241.27 = 1,286.47/x
3. Step 3: Cross multiply
   2,348.72x = 3,241.27 × 1,286.47
4. Step 4: Simplify right side
   2,348.72x = 4,169,784.04
5. Step 5: Solve for x
   x = 4,169,784.04/2,348.72
6. Step 6: Final answer
   x = 1,775.34