Finding the Fourth Proportional to 1,964.52, 2,707.72 and 1,264.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.52 : 2,707.72 = 1,264.68 : x
2. Step 2: Convert to fraction form
   1,964.52/2,707.72 = 1,264.68/x
3. Step 3: Cross multiply
   1,964.52x = 2,707.72 × 1,264.68
4. Step 4: Simplify right side
   1,964.52x = 3,424,399.33
5. Step 5: Solve for x
   x = 3,424,399.33/1,964.52
6. Step 6: Final answer
   x = 1,743.12