Finding the Fourth Proportional to 2,648.28, 3,650.38 and 2,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.28 : 3,650.38 = 2,087.82 : x
2. Step 2: Convert to fraction form
   2,648.28/3,650.38 = 2,087.82/x
3. Step 3: Cross multiply
   2,648.28x = 3,650.38 × 2,087.82
4. Step 4: Simplify right side
   2,648.28x = 7,621,336.37
5. Step 5: Solve for x
   x = 7,621,336.37/2,648.28
6. Step 6: Final answer
   x = 2,877.84