Finding the Fourth Proportional to 2,179.05, 3,266.15 and 1,745.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.05 : 3,266.15 = 1,745.30 : x
2. Step 2: Convert to fraction form
   2,179.05/3,266.15 = 1,745.30/x
3. Step 3: Cross multiply
   2,179.05x = 3,266.15 × 1,745.30
4. Step 4: Simplify right side
   2,179.05x = 5,700,386.54
5. Step 5: Solve for x
   x = 5,700,386.54/2,179.05
6. Step 6: Final answer
   x = 2,616.00