Finding the Fourth Proportional to 2,754.72, 4,132.78 and 806.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.72 : 4,132.78 = 806.94 : x
2. Step 2: Convert to fraction form
   2,754.72/4,132.78 = 806.94/x
3. Step 3: Cross multiply
   2,754.72x = 4,132.78 × 806.94
4. Step 4: Simplify right side
   2,754.72x = 3,334,905.49
5. Step 5: Solve for x
   x = 3,334,905.49/2,754.72
6. Step 6: Final answer
   x = 1,210.62