Finding the Fourth Proportional to 1,730.27, 2,387.83 and 984.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.27 : 2,387.83 = 984.20 : x
2. Step 2: Convert to fraction form
   1,730.27/2,387.83 = 984.20/x
3. Step 3: Cross multiply
   1,730.27x = 2,387.83 × 984.20
4. Step 4: Simplify right side
   1,730.27x = 2,350,102.29
5. Step 5: Solve for x
   x = 2,350,102.29/1,730.27
6. Step 6: Final answer
   x = 1,358.23