Finding the Fourth Proportional to 2,658.57, 3,672.05 and 1,949.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.57 : 3,672.05 = 1,949.39 : x
2. Step 2: Convert to fraction form
   2,658.57/3,672.05 = 1,949.39/x
3. Step 3: Cross multiply
   2,658.57x = 3,672.05 × 1,949.39
4. Step 4: Simplify right side
   2,658.57x = 7,158,268.62
5. Step 5: Solve for x
   x = 7,158,268.62/2,658.57
6. Step 6: Final answer
   x = 2,692.52