Finding the Fourth Proportional to 2,007.75, 2,772.42 and 1,262.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.75 : 2,772.42 = 1,262.97 : x
2. Step 2: Convert to fraction form
   2,007.75/2,772.42 = 1,262.97/x
3. Step 3: Cross multiply
   2,007.75x = 2,772.42 × 1,262.97
4. Step 4: Simplify right side
   2,007.75x = 3,501,483.29
5. Step 5: Solve for x
   x = 3,501,483.29/2,007.75
6. Step 6: Final answer
   x = 1,743.98