Finding the Fourth Proportional to 2,511.47, 3,466.35 and 1,672.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.47 : 3,466.35 = 1,672.21 : x
2. Step 2: Convert to fraction form
   2,511.47/3,466.35 = 1,672.21/x
3. Step 3: Cross multiply
   2,511.47x = 3,466.35 × 1,672.21
4. Step 4: Simplify right side
   2,511.47x = 5,796,469.47
5. Step 5: Solve for x
   x = 5,796,469.47/2,511.47
6. Step 6: Final answer
   x = 2,308.00