Finding the Fourth Proportional to 2,148.72, 2,964.56 and 1,264.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.72 : 2,964.56 = 1,264.83 : x
2. Step 2: Convert to fraction form
   2,148.72/2,964.56 = 1,264.83/x
3. Step 3: Cross multiply
   2,148.72x = 2,964.56 × 1,264.83
4. Step 4: Simplify right side
   2,148.72x = 3,749,658.10
5. Step 5: Solve for x
   x = 3,749,658.10/2,148.72
6. Step 6: Final answer
   x = 1,745.07