Finding the Fourth Proportional to 3,640.72, 5,020.50 and 2,975.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.72 : 5,020.50 = 2,975.44 : x
2. Step 2: Convert to fraction form
   3,640.72/5,020.50 = 2,975.44/x
3. Step 3: Cross multiply
   3,640.72x = 5,020.50 × 2,975.44
4. Step 4: Simplify right side
   3,640.72x = 14,938,196.52
5. Step 5: Solve for x
   x = 14,938,196.52/3,640.72
6. Step 6: Final answer
   x = 4,103.09