Finding the Fourth Proportional to 2,713.72, 3,738.54 and 2,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.72 : 3,738.54 = 2,238.52 : x
2. Step 2: Convert to fraction form
   2,713.72/3,738.54 = 2,238.52/x
3. Step 3: Cross multiply
   2,713.72x = 3,738.54 × 2,238.52
4. Step 4: Simplify right side
   2,713.72x = 8,368,796.56
5. Step 5: Solve for x
   x = 8,368,796.56/2,713.72
6. Step 6: Final answer
   x = 3,083.88