Finding the Fourth Proportional to 2,871.42, 3,962.88 and 1,879.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871.42 : 3,962.88 = 1,879.58 : x
2. Step 2: Convert to fraction form
   2,871.42/3,962.88 = 1,879.58/x
3. Step 3: Cross multiply
   2,871.42x = 3,962.88 × 1,879.58
4. Step 4: Simplify right side
   2,871.42x = 7,448,530.18
5. Step 5: Solve for x
   x = 7,448,530.18/2,871.42
6. Step 6: Final answer
   x = 2,594.02