Finding the Fourth Proportional to 1,791.72, 2,472.54 and 984.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.72 : 2,472.54 = 984.18 : x
2. Step 2: Convert to fraction form
   1,791.72/2,472.54 = 984.18/x
3. Step 3: Cross multiply
   1,791.72x = 2,472.54 × 984.18
4. Step 4: Simplify right side
   1,791.72x = 2,433,424.42
5. Step 5: Solve for x
   x = 2,433,424.42/1,791.72
6. Step 6: Final answer
   x = 1,358.15