Finding the Fourth Proportional to 5,196.18, 7,170.83 and 2,838.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.18 : 7,170.83 = 2,838.68 : x
2. Step 2: Convert to fraction form
   5,196.18/7,170.83 = 2,838.68/x
3. Step 3: Cross multiply
   5,196.18x = 7,170.83 × 2,838.68
4. Step 4: Simplify right side
   5,196.18x = 20,355,641.66
5. Step 5: Solve for x
   x = 20,355,641.66/5,196.18
6. Step 6: Final answer
   x = 3,917.42