Finding the Fourth Proportional to 1,484.41, 2,048.52 and 821.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.41 : 2,048.52 = 821.33 : x
2. Step 2: Convert to fraction form
   1,484.41/2,048.52 = 821.33/x
3. Step 3: Cross multiply
   1,484.41x = 2,048.52 × 821.33
4. Step 4: Simplify right side
   1,484.41x = 1,682,510.93
5. Step 5: Solve for x
   x = 1,682,510.93/1,484.41
6. Step 6: Final answer
   x = 1,133.45