Finding the Fourth Proportional to 2,917.94, 4,021.89 and 1,984.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.94 : 4,021.89 = 1,984.82 : x
2. Step 2: Convert to fraction form
   2,917.94/4,021.89 = 1,984.82/x
3. Step 3: Cross multiply
   2,917.94x = 4,021.89 × 1,984.82
4. Step 4: Simplify right side
   2,917.94x = 7,982,727.71
5. Step 5: Solve for x
   x = 7,982,727.71/2,917.94
6. Step 6: Final answer
   x = 2,735.74