Finding the Fourth Proportional to 2,959.42, 4,431.54 and 2,871.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.42 : 4,431.54 = 2,871.82 : x
2. Step 2: Convert to fraction form
   2,959.42/4,431.54 = 2,871.82/x
3. Step 3: Cross multiply
   2,959.42x = 4,431.54 × 2,871.82
4. Step 4: Simplify right side
   2,959.42x = 12,726,585.20
5. Step 5: Solve for x
   x = 12,726,585.20/2,959.42
6. Step 6: Final answer
   x = 4,300.36