Finding the Fourth Proportional to 2,007.33, 3,011.94 and 838.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.33 : 3,011.94 = 838.17 : x
2. Step 2: Convert to fraction form
   2,007.33/3,011.94 = 838.17/x
3. Step 3: Cross multiply
   2,007.33x = 3,011.94 × 838.17
4. Step 4: Simplify right side
   2,007.33x = 2,524,517.75
5. Step 5: Solve for x
   x = 2,524,517.75/2,007.33
6. Step 6: Final answer
   x = 1,257.65