Finding the Fourth Proportional to 3,530.27, 5,289.94 and 2,748.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.27 : 5,289.94 = 2,748.42 : x
2. Step 2: Convert to fraction form
   3,530.27/5,289.94 = 2,748.42/x
3. Step 3: Cross multiply
   3,530.27x = 5,289.94 × 2,748.42
4. Step 4: Simplify right side
   3,530.27x = 14,538,976.89
5. Step 5: Solve for x
   x = 14,538,976.89/3,530.27
6. Step 6: Final answer
   x = 4,118.38