Finding the Fourth Proportional to 3,868.48, 5,336.46 and 2,274.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.48 : 5,336.46 = 2,274.82 : x
2. Step 2: Convert to fraction form
   3,868.48/5,336.46 = 2,274.82/x
3. Step 3: Cross multiply
   3,868.48x = 5,336.46 × 2,274.82
4. Step 4: Simplify right side
   3,868.48x = 12,139,485.94
5. Step 5: Solve for x
   x = 12,139,485.94/3,868.48
6. Step 6: Final answer
   x = 3,138.05