Finding the Fourth Proportional to 2,840.82, 4,258.50 and 892.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840.82 : 4,258.50 = 892.58 : x
2. Step 2: Convert to fraction form
   2,840.82/4,258.50 = 892.58/x
3. Step 3: Cross multiply
   2,840.82x = 4,258.50 × 892.58
4. Step 4: Simplify right side
   2,840.82x = 3,801,030.64
5. Step 5: Solve for x
   x = 3,801,030.64/2,840.82
6. Step 6: Final answer
   x = 1,338.00