Finding the Fourth Proportional to 2,628.15, 3,935.49 and 2,550.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.15 : 3,935.49 = 2,550.29 : x
2. Step 2: Convert to fraction form
   2,628.15/3,935.49 = 2,550.29/x
3. Step 3: Cross multiply
   2,628.15x = 3,935.49 × 2,550.29
4. Step 4: Simplify right side
   2,628.15x = 10,036,611.55
5. Step 5: Solve for x
   x = 10,036,611.55/2,628.15
6. Step 6: Final answer
   x = 3,818.89