Finding the Fourth Proportional to 3,727.89, 5,142.69 and 2,236.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.89 : 5,142.69 = 2,236.41 : x
2. Step 2: Convert to fraction form
   3,727.89/5,142.69 = 2,236.41/x
3. Step 3: Cross multiply
   3,727.89x = 5,142.69 × 2,236.41
4. Step 4: Simplify right side
   3,727.89x = 11,501,163.34
5. Step 5: Solve for x
   x = 11,501,163.34/3,727.89
6. Step 6: Final answer
   x = 3,085.17