Finding the Fourth Proportional to 1,717.50, 2,576.37 and 743.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717.50 : 2,576.37 = 743.34 : x
2. Step 2: Convert to fraction form
   1,717.50/2,576.37 = 743.34/x
3. Step 3: Cross multiply
   1,717.50x = 2,576.37 × 743.34
4. Step 4: Simplify right side
   1,717.50x = 1,915,118.88
5. Step 5: Solve for x
   x = 1,915,118.88/1,717.50
6. Step 6: Final answer
   x = 1,115.06