Finding the Fourth Proportional to 2,628.50, 3,942.74 and 1,804.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.50 : 3,942.74 = 1,804.27 : x
2. Step 2: Convert to fraction form
   2,628.50/3,942.74 = 1,804.27/x
3. Step 3: Cross multiply
   2,628.50x = 3,942.74 × 1,804.27
4. Step 4: Simplify right side
   2,628.50x = 7,113,767.50
5. Step 5: Solve for x
   x = 7,113,767.50/2,628.50
6. Step 6: Final answer
   x = 2,706.40