Finding the Fourth Proportional to 2,131.07, 3,197.41 and 960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.07 : 3,197.41 = 960.72 : x
2. Step 2: Convert to fraction form
   2,131.07/3,197.41 = 960.72/x
3. Step 3: Cross multiply
   2,131.07x = 3,197.41 × 960.72
4. Step 4: Simplify right side
   2,131.07x = 3,071,815.74
5. Step 5: Solve for x
   x = 3,071,815.74/2,131.07
6. Step 6: Final answer
   x = 1,441.44