Finding the Fourth Proportional to 1,484.54, 2,048.52 and 821.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.54 : 2,048.52 = 821.38 : x
2. Step 2: Convert to fraction form
   1,484.54/2,048.52 = 821.38/x
3. Step 3: Cross multiply
   1,484.54x = 2,048.52 × 821.38
4. Step 4: Simplify right side
   1,484.54x = 1,682,615.16
5. Step 5: Solve for x
   x = 1,682,615.16/1,484.54
6. Step 6: Final answer
   x = 1,133.42