Finding the Fourth Proportional to 5,196.15, 7,170.83 and 2,838.44

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.15 : 7,170.83 = 2,838.44 : x
2. Step 2: Convert to fraction form
   5,196.15/7,170.83 = 2,838.44/x
3. Step 3: Cross multiply
   5,196.15x = 7,170.83 × 2,838.44
4. Step 4: Simplify right side
   5,196.15x = 20,353,970.71
5. Step 5: Solve for x
   x = 20,353,970.71/5,196.15
6. Step 6: Final answer
   x = 3,917.13