Finding the Fourth Proportional to 2,015.42, 3,008.56 and 1,871.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.42 : 3,008.56 = 1,871.24 : x
2. Step 2: Convert to fraction form
   2,015.42/3,008.56 = 1,871.24/x
3. Step 3: Cross multiply
   2,015.42x = 3,008.56 × 1,871.24
4. Step 4: Simplify right side
   2,015.42x = 5,629,728.46
5. Step 5: Solve for x
   x = 5,629,728.46/2,015.42
6. Step 6: Final answer
   x = 2,793.33