Finding the Fourth Proportional to 1,456.98, 2,009.98 and 984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.98 : 2,009.98 = 984.72 : x
2. Step 2: Convert to fraction form
   1,456.98/2,009.98 = 984.72/x
3. Step 3: Cross multiply
   1,456.98x = 2,009.98 × 984.72
4. Step 4: Simplify right side
   1,456.98x = 1,979,276.27
5. Step 5: Solve for x
   x = 1,979,276.27/1,456.98
6. Step 6: Final answer
   x = 1,358.48