Finding the Fourth Proportional to 5,196.37, 7,171.19 and 2,838.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.37 : 7,171.19 = 2,838.53 : x
2. Step 2: Convert to fraction form
   5,196.37/7,171.19 = 2,838.53/x
3. Step 3: Cross multiply
   5,196.37x = 7,171.19 × 2,838.53
4. Step 4: Simplify right side
   5,196.37x = 20,355,605.83
5. Step 5: Solve for x
   x = 20,355,605.83/5,196.37
6. Step 6: Final answer
   x = 3,917.27