Finding the Fourth Proportional to 2,531.69, 3,493.56 and 1,455

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.69 : 3,493.56 = 1,455 : x
2. Step 2: Convert to fraction form
   2,531.69/3,493.56 = 1,455/x
3. Step 3: Cross multiply
   2,531.69x = 3,493.56 × 1,455
4. Step 4: Simplify right side
   2,531.69x = 5,083,129.80
5. Step 5: Solve for x
   x = 5,083,129.80/2,531.69
6. Step 6: Final answer
   x = 2,007.80