Finding the Fourth Proportional to 3,131.54, 4,321.82 and 1,734.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.54 : 4,321.82 = 1,734.29 : x
2. Step 2: Convert to fraction form
   3,131.54/4,321.82 = 1,734.29/x
3. Step 3: Cross multiply
   3,131.54x = 4,321.82 × 1,734.29
4. Step 4: Simplify right side
   3,131.54x = 7,495,280.54
5. Step 5: Solve for x
   x = 7,495,280.54/3,131.54
6. Step 6: Final answer
   x = 2,393.48