Finding the Fourth Proportional to 2,867.42, 3,956.71 and 1,608.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.42 : 3,956.71 = 1,608.48 : x
2. Step 2: Convert to fraction form
   2,867.42/3,956.71 = 1,608.48/x
3. Step 3: Cross multiply
   2,867.42x = 3,956.71 × 1,608.48
4. Step 4: Simplify right side
   2,867.42x = 6,364,288.90
5. Step 5: Solve for x
   x = 6,364,288.90/2,867.42
6. Step 6: Final answer
   x = 2,219.52