Finding the Fourth Proportional to 1,264.27, 1,744.76 and 704.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.27 : 1,744.76 = 704.79 : x
2. Step 2: Convert to fraction form
   1,264.27/1,744.76 = 704.79/x
3. Step 3: Cross multiply
   1,264.27x = 1,744.76 × 704.79
4. Step 4: Simplify right side
   1,264.27x = 1,229,677.15
5. Step 5: Solve for x
   x = 1,229,677.15/1,264.27
6. Step 6: Final answer
   x = 972.64