Finding the Fourth Proportional to 1,730.48, 2,388.21 and 984.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.48 : 2,388.21 = 984.27 : x
2. Step 2: Convert to fraction form
   1,730.48/2,388.21 = 984.27/x
3. Step 3: Cross multiply
   1,730.48x = 2,388.21 × 984.27
4. Step 4: Simplify right side
   1,730.48x = 2,350,648.72
5. Step 5: Solve for x
   x = 2,350,648.72/1,730.48
6. Step 6: Final answer
   x = 1,358.38