Finding the Fourth Proportional to 2,714.82, 4,072.38 and 766.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.82 : 4,072.38 = 766.97 : x
2. Step 2: Convert to fraction form
   2,714.82/4,072.38 = 766.97/x
3. Step 3: Cross multiply
   2,714.82x = 4,072.38 × 766.97
4. Step 4: Simplify right side
   2,714.82x = 3,123,385.32
5. Step 5: Solve for x
   x = 3,123,385.32/2,714.82
6. Step 6: Final answer
   x = 1,150.50