Finding the Fourth Proportional to 3,752.27, 5,628.52 and 1,287.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,752.27 : 5,628.52 = 1,287.05 : x
2. Step 2: Convert to fraction form
   3,752.27/5,628.52 = 1,287.05/x
3. Step 3: Cross multiply
   3,752.27x = 5,628.52 × 1,287.05
4. Step 4: Simplify right side
   3,752.27x = 7,244,198.24
5. Step 5: Solve for x
   x = 7,244,198.24/3,752.27
6. Step 6: Final answer
   x = 1,930.62