Finding the Fourth Proportional to 2,007.17, 2,767.39 and 1,297.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.17 : 2,767.39 = 1,297.81 : x
2. Step 2: Convert to fraction form
   2,007.17/2,767.39 = 1,297.81/x
3. Step 3: Cross multiply
   2,007.17x = 2,767.39 × 1,297.81
4. Step 4: Simplify right side
   2,007.17x = 3,591,546.42
5. Step 5: Solve for x
   x = 3,591,546.42/2,007.17
6. Step 6: Final answer
   x = 1,789.36