Finding the Fourth Proportional to 2,521.06, 3,781.58 and 960.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.06 : 3,781.58 = 960.71 : x
2. Step 2: Convert to fraction form
   2,521.06/3,781.58 = 960.71/x
3. Step 3: Cross multiply
   2,521.06x = 3,781.58 × 960.71
4. Step 4: Simplify right side
   2,521.06x = 3,632,978.01
5. Step 5: Solve for x
   x = 3,632,978.01/2,521.06
6. Step 6: Final answer
   x = 1,441.05