Finding the Fourth Proportional to 7,206.72, 10,806.72 and 3,743.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,206.72 : 10,806.72 = 3,743.04 : x
2. Step 2: Convert to fraction form
   7,206.72/10,806.72 = 3,743.04/x
3. Step 3: Cross multiply
   7,206.72x = 10,806.72 × 3,743.04
4. Step 4: Simplify right side
   7,206.72x = 40,449,985.23
5. Step 5: Solve for x
   x = 40,449,985.23/7,206.72
6. Step 6: Final answer
   x = 5,612.81