Finding the Fourth Proportional to 3,111.57, 4,293.96 and 1,714.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.57 : 4,293.96 = 1,714.32 : x
2. Step 2: Convert to fraction form
   3,111.57/4,293.96 = 1,714.32/x
3. Step 3: Cross multiply
   3,111.57x = 4,293.96 × 1,714.32
4. Step 4: Simplify right side
   3,111.57x = 7,361,221.51
5. Step 5: Solve for x
   x = 7,361,221.51/3,111.57
6. Step 6: Final answer
   x = 2,365.76