Finding the Fourth Proportional to 2,873.42, 4,311.82 and 1,642.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.42 : 4,311.82 = 1,642.58 : x
2. Step 2: Convert to fraction form
   2,873.42/4,311.82 = 1,642.58/x
3. Step 3: Cross multiply
   2,873.42x = 4,311.82 × 1,642.58
4. Step 4: Simplify right side
   2,873.42x = 7,082,509.30
5. Step 5: Solve for x
   x = 7,082,509.30/2,873.42
6. Step 6: Final answer
   x = 2,464.84