Finding the Fourth Proportional to 3,695.57, 5,099.72 and 2,016.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.57 : 5,099.72 = 2,016.95 : x
2. Step 2: Convert to fraction form
   3,695.57/5,099.72 = 2,016.95/x
3. Step 3: Cross multiply
   3,695.57x = 5,099.72 × 2,016.95
4. Step 4: Simplify right side
   3,695.57x = 10,285,880.25
5. Step 5: Solve for x
   x = 10,285,880.25/3,695.57
6. Step 6: Final answer
   x = 2,783.30