Finding the Fourth Proportional to 3,695.12, 5,099.37 and 2,123.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.12 : 5,099.37 = 2,123.18 : x
2. Step 2: Convert to fraction form
   3,695.12/5,099.37 = 2,123.18/x
3. Step 3: Cross multiply
   3,695.12x = 5,099.37 × 2,123.18
4. Step 4: Simplify right side
   3,695.12x = 10,826,880.40
5. Step 5: Solve for x
   x = 10,826,880.40/3,695.12
6. Step 6: Final answer
   x = 2,930.05