Finding the Fourth Proportional to 5,196.87, 7,798.38 and 1,912.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.87 : 7,798.38 = 1,912.27 : x
2. Step 2: Convert to fraction form
   5,196.87/7,798.38 = 1,912.27/x
3. Step 3: Cross multiply
   5,196.87x = 7,798.38 × 1,912.27
4. Step 4: Simplify right side
   5,196.87x = 14,912,608.12
5. Step 5: Solve for x
   x = 14,912,608.12/5,196.87
6. Step 6: Final answer
   x = 2,869.54