Finding the Fourth Proportional to 2,960.32, 4,450.56 and 2,387.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.32 : 4,450.56 = 2,387.20 : x
2. Step 2: Convert to fraction form
   2,960.32/4,450.56 = 2,387.20/x
3. Step 3: Cross multiply
   2,960.32x = 4,450.56 × 2,387.20
4. Step 4: Simplify right side
   2,960.32x = 10,624,376.83
5. Step 5: Solve for x
   x = 10,624,376.83/2,960.32
6. Step 6: Final answer
   x = 3,588.93