Finding the Fourth Proportional to 1,484.82, 2,049.16 and 821.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.82 : 2,049.16 = 821.73 : x
2. Step 2: Convert to fraction form
   1,484.82/2,049.16 = 821.73/x
3. Step 3: Cross multiply
   1,484.82x = 2,049.16 × 821.73
4. Step 4: Simplify right side
   1,484.82x = 1,683,856.25
5. Step 5: Solve for x
   x = 1,683,856.25/1,484.82
6. Step 6: Final answer
   x = 1,134.05