Finding the Fourth Proportional to 1,196.84, 1,792.38 and 959.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.84 : 1,792.38 = 959.72 : x
2. Step 2: Convert to fraction form
   1,196.84/1,792.38 = 959.72/x
3. Step 3: Cross multiply
   1,196.84x = 1,792.38 × 959.72
4. Step 4: Simplify right side
   1,196.84x = 1,720,182.93
5. Step 5: Solve for x
   x = 1,720,182.93/1,196.84
6. Step 6: Final answer
   x = 1,437.27