Finding the Fourth Proportional to 10,940.37, 16,414.00 and 3,915.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.37 : 16,414.00 = 3,915.60 : x
2. Step 2: Convert to fraction form
   10,940.37/16,414.00 = 3,915.60/x
3. Step 3: Cross multiply
   10,940.37x = 16,414.00 × 3,915.60
4. Step 4: Simplify right side
   10,940.37x = 64,270,584.14
5. Step 5: Solve for x
   x = 64,270,584.14/10,940.37
6. Step 6: Final answer
   x = 5,874.63