Finding the Fourth Proportional to 2,007.96, 2,998.59 and 1,986.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.96 : 2,998.59 = 1,986.24 : x
2. Step 2: Convert to fraction form
   2,007.96/2,998.59 = 1,986.24/x
3. Step 3: Cross multiply
   2,007.96x = 2,998.59 × 1,986.24
4. Step 4: Simplify right side
   2,007.96x = 5,955,919.40
5. Step 5: Solve for x
   x = 5,955,919.40/2,007.96
6. Step 6: Final answer
   x = 2,966.15