Finding the Fourth Proportional to 2,960.32, 4,440.31 and 880.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.32 : 4,440.31 = 880.34 : x
2. Step 2: Convert to fraction form
   2,960.32/4,440.31 = 880.34/x
3. Step 3: Cross multiply
   2,960.32x = 4,440.31 × 880.34
4. Step 4: Simplify right side
   2,960.32x = 3,908,960.30
5. Step 5: Solve for x
   x = 3,908,960.30/2,960.32
6. Step 6: Final answer
   x = 1,320.45