Finding the Fourth Proportional to 1,484.98, 2,049.29 and 821.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.98 : 2,049.29 = 821.86 : x
2. Step 2: Convert to fraction form
   1,484.98/2,049.29 = 821.86/x
3. Step 3: Cross multiply
   1,484.98x = 2,049.29 × 821.86
4. Step 4: Simplify right side
   1,484.98x = 1,684,223.33
5. Step 5: Solve for x
   x = 1,684,223.33/1,484.98
6. Step 6: Final answer
   x = 1,134.17