Finding the Fourth Proportional to 1,963.56, 2,709.16 and 1,265.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,963.56 : 2,709.16 = 1,265.34 : x
2. Step 2: Convert to fraction form
   1,963.56/2,709.16 = 1,265.34/x
3. Step 3: Cross multiply
   1,963.56x = 2,709.16 × 1,265.34
4. Step 4: Simplify right side
   1,963.56x = 3,428,008.51
5. Step 5: Solve for x
   x = 3,428,008.51/1,963.56
6. Step 6: Final answer
   x = 1,745.81