Finding the Fourth Proportional to 3,563.89, 4,915.83 and 2,146.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,563.89 : 4,915.83 = 2,146.60 : x
2. Step 2: Convert to fraction form
   3,563.89/4,915.83 = 2,146.60/x
3. Step 3: Cross multiply
   3,563.89x = 4,915.83 × 2,146.60
4. Step 4: Simplify right side
   3,563.89x = 10,552,308.39
5. Step 5: Solve for x
   x = 10,552,308.39/3,563.89
6. Step 6: Final answer
   x = 2,960.90