Finding the Fourth Proportional to 2,209.10, 3,048.72 and 1,264.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.10 : 3,048.72 = 1,264.88 : x
2. Step 2: Convert to fraction form
   2,209.10/3,048.72 = 1,264.88/x
3. Step 3: Cross multiply
   2,209.10x = 3,048.72 × 1,264.88
4. Step 4: Simplify right side
   2,209.10x = 3,856,264.95
5. Step 5: Solve for x
   x = 3,856,264.95/2,209.10
6. Step 6: Final answer
   x = 1,745.63