Finding the Fourth Proportional to 1,454.89, 2,182.49 and 839.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.89 : 2,182.49 = 839.29 : x
2. Step 2: Convert to fraction form
   1,454.89/2,182.49 = 839.29/x
3. Step 3: Cross multiply
   1,454.89x = 2,182.49 × 839.29
4. Step 4: Simplify right side
   1,454.89x = 1,831,742.03
5. Step 5: Solve for x
   x = 1,831,742.03/1,454.89
6. Step 6: Final answer
   x = 1,259.02