Finding the Fourth Proportional to 5,196.27, 7,170.87 and 2,838.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.27 : 7,170.87 = 2,838.42 : x
2. Step 2: Convert to fraction form
   5,196.27/7,170.87 = 2,838.42/x
3. Step 3: Cross multiply
   5,196.27x = 7,170.87 × 2,838.42
4. Step 4: Simplify right side
   5,196.27x = 20,353,940.83
5. Step 5: Solve for x
   x = 20,353,940.83/5,196.27
6. Step 6: Final answer
   x = 3,917.03