Finding the Fourth Proportional to 2,208.10, 3,047.79 and 1,264.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.10 : 3,047.79 = 1,264.42 : x
2. Step 2: Convert to fraction form
   2,208.10/3,047.79 = 1,264.42/x
3. Step 3: Cross multiply
   2,208.10x = 3,047.79 × 1,264.42
4. Step 4: Simplify right side
   2,208.10x = 3,853,686.63
5. Step 5: Solve for x
   x = 3,853,686.63/2,208.10
6. Step 6: Final answer
   x = 1,745.25