Finding the Fourth Proportional to 3,881.76, 5,822.56 and 960.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.76 : 5,822.56 = 960.08 : x
2. Step 2: Convert to fraction form
   3,881.76/5,822.56 = 960.08/x
3. Step 3: Cross multiply
   3,881.76x = 5,822.56 × 960.08
4. Step 4: Simplify right side
   3,881.76x = 5,590,123.40
5. Step 5: Solve for x
   x = 5,590,123.40/3,881.76
6. Step 6: Final answer
   x = 1,440.10