Finding the Fourth Proportional to 1,264.29, 1,744.72 and 697.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.29 : 1,744.72 = 697.19 : x
2. Step 2: Convert to fraction form
   1,264.29/1,744.72 = 697.19/x
3. Step 3: Cross multiply
   1,264.29x = 1,744.72 × 697.19
4. Step 4: Simplify right side
   1,264.29x = 1,216,390.87
5. Step 5: Solve for x
   x = 1,216,390.87/1,264.29
6. Step 6: Final answer
   x = 962.12