Finding the Fourth Proportional to 2,769.14, 4,150.82 and 1,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.14 : 4,150.82 = 1,208.72 : x
2. Step 2: Convert to fraction form
   2,769.14/4,150.82 = 1,208.72/x
3. Step 3: Cross multiply
   2,769.14x = 4,150.82 × 1,208.72
4. Step 4: Simplify right side
   2,769.14x = 5,017,179.15
5. Step 5: Solve for x
   x = 5,017,179.15/2,769.14
6. Step 6: Final answer
   x = 1,811.82