Finding the Fourth Proportional to 5,196.08, 7,798.52 and 2,078.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.08 : 7,798.52 = 2,078.28 : x
2. Step 2: Convert to fraction form
   5,196.08/7,798.52 = 2,078.28/x
3. Step 3: Cross multiply
   5,196.08x = 7,798.52 × 2,078.28
4. Step 4: Simplify right side
   5,196.08x = 16,207,513.34
5. Step 5: Solve for x
   x = 16,207,513.34/5,196.08
6. Step 6: Final answer
   x = 3,119.18