Finding the Fourth Proportional to 5,196.69, 7,171.61 and 2,838.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.69 : 7,171.61 = 2,838.92 : x
2. Step 2: Convert to fraction form
   5,196.69/7,171.61 = 2,838.92/x
3. Step 3: Cross multiply
   5,196.69x = 7,171.61 × 2,838.92
4. Step 4: Simplify right side
   5,196.69x = 20,359,577.01
5. Step 5: Solve for x
   x = 20,359,577.01/5,196.69
6. Step 6: Final answer
   x = 3,917.80