Finding the Fourth Proportional to 5,196.68, 7,171.29 and 2,838.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.68 : 7,171.29 = 2,838.83 : x
2. Step 2: Convert to fraction form
   5,196.68/7,171.29 = 2,838.83/x
3. Step 3: Cross multiply
   5,196.68x = 7,171.29 × 2,838.83
4. Step 4: Simplify right side
   5,196.68x = 20,358,073.19
5. Step 5: Solve for x
   x = 20,358,073.19/5,196.68
6. Step 6: Final answer
   x = 3,917.52