Finding the Fourth Proportional to 2,511.57, 3,466.55 and 1,672.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.57 : 3,466.55 = 1,672.31 : x
2. Step 2: Convert to fraction form
   2,511.57/3,466.55 = 1,672.31/x
3. Step 3: Cross multiply
   2,511.57x = 3,466.55 × 1,672.31
4. Step 4: Simplify right side
   2,511.57x = 5,797,146.23
5. Step 5: Solve for x
   x = 5,797,146.23/2,511.57
6. Step 6: Final answer
   x = 2,308.18