Finding the Fourth Proportional to 3,722.25, 5,136.72 and 2,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.25 : 5,136.72 = 2,066.25 : x
2. Step 2: Convert to fraction form
   3,722.25/5,136.72 = 2,066.25/x
3. Step 3: Cross multiply
   3,722.25x = 5,136.72 × 2,066.25
4. Step 4: Simplify right side
   3,722.25x = 10,613,747.70
5. Step 5: Solve for x
   x = 10,613,747.70/3,722.25
6. Step 6: Final answer
   x = 2,851.43