Finding the Fourth Proportional to 2,840.50, 3,919.89 and 1,662.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840.50 : 3,919.89 = 1,662.58 : x
2. Step 2: Convert to fraction form
   2,840.50/3,919.89 = 1,662.58/x
3. Step 3: Cross multiply
   2,840.50x = 3,919.89 × 1,662.58
4. Step 4: Simplify right side
   2,840.50x = 6,517,130.72
5. Step 5: Solve for x
   x = 6,517,130.72/2,840.50
6. Step 6: Final answer
   x = 2,294.36