Finding the Fourth Proportional to 7,144.33, 10,726.34 and 3,636.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.33 : 10,726.34 = 3,636.71 : x
2. Step 2: Convert to fraction form
   7,144.33/10,726.34 = 3,636.71/x
3. Step 3: Cross multiply
   7,144.33x = 10,726.34 × 3,636.71
4. Step 4: Simplify right side
   7,144.33x = 39,008,587.94
5. Step 5: Solve for x
   x = 39,008,587.94/7,144.33
6. Step 6: Final answer
   x = 5,460.08