Finding the Fourth Proportional to 5,196.54, 7,171.23 and 2,838.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.54 : 7,171.23 = 2,838.72 : x
2. Step 2: Convert to fraction form
   5,196.54/7,171.23 = 2,838.72/x
3. Step 3: Cross multiply
   5,196.54x = 7,171.23 × 2,838.72
4. Step 4: Simplify right side
   5,196.54x = 20,357,114.03
5. Step 5: Solve for x
   x = 20,357,114.03/5,196.54
6. Step 6: Final answer
   x = 3,917.44