Finding the Fourth Proportional to 10,963.71, 16,436.97 and 3,942.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,963.71 : 16,436.97 = 3,942.54 : x
2. Step 2: Convert to fraction form
   10,963.71/16,436.97 = 3,942.54/x
3. Step 3: Cross multiply
   10,963.71x = 16,436.97 × 3,942.54
4. Step 4: Simplify right side
   10,963.71x = 64,803,411.70
5. Step 5: Solve for x
   x = 64,803,411.70/10,963.71
6. Step 6: Final answer
   x = 5,910.72