Finding the Fourth Proportional to 3,111.25, 4,293.72 and 1,714

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.25 : 4,293.72 = 1,714 : x
2. Step 2: Convert to fraction form
   3,111.25/4,293.72 = 1,714/x
3. Step 3: Cross multiply
   3,111.25x = 4,293.72 × 1,714
4. Step 4: Simplify right side
   3,111.25x = 7,359,436.08
5. Step 5: Solve for x
   x = 7,359,436.08/3,111.25
6. Step 6: Final answer
   x = 2,365.43