Finding the Fourth Proportional to 2,700.24, 4,049.08 and 1,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.24 : 4,049.08 = 1,238.96 : x
2. Step 2: Convert to fraction form
   2,700.24/4,049.08 = 1,238.96/x
3. Step 3: Cross multiply
   2,700.24x = 4,049.08 × 1,238.96
4. Step 4: Simplify right side
   2,700.24x = 5,016,648.16
5. Step 5: Solve for x
   x = 5,016,648.16/2,700.24
6. Step 6: Final answer
   x = 1,857.85