Finding the Fourth Proportional to 2,483.89, 3,431.09 and 1,740.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.89 : 3,431.09 = 1,740.31 : x
2. Step 2: Convert to fraction form
   2,483.89/3,431.09 = 1,740.31/x
3. Step 3: Cross multiply
   2,483.89x = 3,431.09 × 1,740.31
4. Step 4: Simplify right side
   2,483.89x = 5,971,162.35
5. Step 5: Solve for x
   x = 5,971,162.35/2,483.89
6. Step 6: Final answer
   x = 2,403.95