Finding the Fourth Proportional to 2,984.82, 4,479.59 and 1,320.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,984.82 : 4,479.59 = 1,320.22 : x
2. Step 2: Convert to fraction form
   2,984.82/4,479.59 = 1,320.22/x
3. Step 3: Cross multiply
   2,984.82x = 4,479.59 × 1,320.22
4. Step 4: Simplify right side
   2,984.82x = 5,914,044.31
5. Step 5: Solve for x
   x = 5,914,044.31/2,984.82
6. Step 6: Final answer
   x = 1,981.37