Finding the Fourth Proportional to 10,963.37, 16,442.18 and 3,942.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,963.37 : 16,442.18 = 3,942.56 : x
2. Step 2: Convert to fraction form
   10,963.37/16,442.18 = 3,942.56/x
3. Step 3: Cross multiply
   10,963.37x = 16,442.18 × 3,942.56
4. Step 4: Simplify right side
   10,963.37x = 64,824,179.26
5. Step 5: Solve for x
   x = 64,824,179.26/10,963.37
6. Step 6: Final answer
   x = 5,912.80