Finding the Fourth Proportional to 1,715.72, 2,367.59 and 959.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.72 : 2,367.59 = 959.49 : x
2. Step 2: Convert to fraction form
   1,715.72/2,367.59 = 959.49/x
3. Step 3: Cross multiply
   1,715.72x = 2,367.59 × 959.49
4. Step 4: Simplify right side
   1,715.72x = 2,271,674.13
5. Step 5: Solve for x
   x = 2,271,674.13/1,715.72
6. Step 6: Final answer
   x = 1,324.04