Finding the Fourth Proportional to 1,825.84, 2,737.33 and 839.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.84 : 2,737.33 = 839.31 : x
2. Step 2: Convert to fraction form
   1,825.84/2,737.33 = 839.31/x
3. Step 3: Cross multiply
   1,825.84x = 2,737.33 × 839.31
4. Step 4: Simplify right side
   1,825.84x = 2,297,468.44
5. Step 5: Solve for x
   x = 2,297,468.44/1,825.84
6. Step 6: Final answer
   x = 1,258.31