Finding the Fourth Proportional to 5,960.42, 8,940.50 and 3,510.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,960.42 : 8,940.50 = 3,510.78 : x
2. Step 2: Convert to fraction form
   5,960.42/8,940.50 = 3,510.78/x
3. Step 3: Cross multiply
   5,960.42x = 8,940.50 × 3,510.78
4. Step 4: Simplify right side
   5,960.42x = 31,388,111.04
5. Step 5: Solve for x
   x = 31,388,111.04/5,960.42
6. Step 6: Final answer
   x = 5,266.09