Finding the Fourth Proportional to 2,531.82, 3,491.73 and 1,647.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.82 : 3,491.73 = 1,647.30 : x
2. Step 2: Convert to fraction form
   2,531.82/3,491.73 = 1,647.30/x
3. Step 3: Cross multiply
   2,531.82x = 3,491.73 × 1,647.30
4. Step 4: Simplify right side
   2,531.82x = 5,751,926.83
5. Step 5: Solve for x
   x = 5,751,926.83/2,531.82
6. Step 6: Final answer
   x = 2,271.85