Finding the Fourth Proportional to 2,832.42, 4,247.89 and 1,271.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.42 : 4,247.89 = 1,271.55 : x
2. Step 2: Convert to fraction form
   2,832.42/4,247.89 = 1,271.55/x
3. Step 3: Cross multiply
   2,832.42x = 4,247.89 × 1,271.55
4. Step 4: Simplify right side
   2,832.42x = 5,401,401.35
5. Step 5: Solve for x
   x = 5,401,401.35/2,832.42
6. Step 6: Final answer
   x = 1,906.99