Finding the Fourth Proportional to 2,007.86, 3,009.79 and 967.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.86 : 3,009.79 = 967.57 : x
2. Step 2: Convert to fraction form
   2,007.86/3,009.79 = 967.57/x
3. Step 3: Cross multiply
   2,007.86x = 3,009.79 × 967.57
4. Step 4: Simplify right side
   2,007.86x = 2,912,167.46
5. Step 5: Solve for x
   x = 2,912,167.46/2,007.86
6. Step 6: Final answer
   x = 1,450.38