Finding the Fourth Proportional to 1,962.56, 2,707.78 and 1,264.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.56 : 2,707.78 = 1,264.34 : x
2. Step 2: Convert to fraction form
   1,962.56/2,707.78 = 1,264.34/x
3. Step 3: Cross multiply
   1,962.56x = 2,707.78 × 1,264.34
4. Step 4: Simplify right side
   1,962.56x = 3,423,554.57
5. Step 5: Solve for x
   x = 3,423,554.57/1,962.56
6. Step 6: Final answer
   x = 1,744.43