Finding the Fourth Proportional to 3,896.50, 5,377.29 and 2,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.50 : 5,377.29 = 2,240.50 : x
2. Step 2: Convert to fraction form
   3,896.50/5,377.29 = 2,240.50/x
3. Step 3: Cross multiply
   3,896.50x = 5,377.29 × 2,240.50
4. Step 4: Simplify right side
   3,896.50x = 12,047,818.25
5. Step 5: Solve for x
   x = 12,047,818.25/3,896.50
6. Step 6: Final answer
   x = 3,091.96