Finding the Fourth Proportional to 3,111.34, 4,293.80 and 1,714.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.34 : 4,293.80 = 1,714.09 : x
2. Step 2: Convert to fraction form
   3,111.34/4,293.80 = 1,714.09/x
3. Step 3: Cross multiply
   3,111.34x = 4,293.80 × 1,714.09
4. Step 4: Simplify right side
   3,111.34x = 7,359,942.46
5. Step 5: Solve for x
   x = 7,359,942.46/3,111.34
6. Step 6: Final answer
   x = 2,365.53