Finding the Fourth Proportional to 1,264.17, 1,744.56 and 704.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.17 : 1,744.56 = 704.69 : x
2. Step 2: Convert to fraction form
   1,264.17/1,744.56 = 704.69/x
3. Step 3: Cross multiply
   1,264.17x = 1,744.56 × 704.69
4. Step 4: Simplify right side
   1,264.17x = 1,229,373.99
5. Step 5: Solve for x
   x = 1,229,373.99/1,264.17
6. Step 6: Final answer
   x = 972.48