Finding the Fourth Proportional to 3,960.72, 5,463.69 and 2,953.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.72 : 5,463.69 = 2,953.49 : x
2. Step 2: Convert to fraction form
   3,960.72/5,463.69 = 2,953.49/x
3. Step 3: Cross multiply
   3,960.72x = 5,463.69 × 2,953.49
4. Step 4: Simplify right side
   3,960.72x = 16,136,926.46
5. Step 5: Solve for x
   x = 16,136,926.46/3,960.72
6. Step 6: Final answer
   x = 4,074.24