Finding the Fourth Proportional to 1,259.52, 1,738.32 and 964.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.52 : 1,738.32 = 964.16 : x
2. Step 2: Convert to fraction form
   1,259.52/1,738.32 = 964.16/x
3. Step 3: Cross multiply
   1,259.52x = 1,738.32 × 964.16
4. Step 4: Simplify right side
   1,259.52x = 1,676,018.61
5. Step 5: Solve for x
   x = 1,676,018.61/1,259.52
6. Step 6: Final answer
   x = 1,330.68