Finding the Fourth Proportional to 2,754.84, 4,132.31 and 807.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.84 : 4,132.31 = 807.24 : x
2. Step 2: Convert to fraction form
   2,754.84/4,132.31 = 807.24/x
3. Step 3: Cross multiply
   2,754.84x = 4,132.31 × 807.24
4. Step 4: Simplify right side
   2,754.84x = 3,335,761.89
5. Step 5: Solve for x
   x = 3,335,761.89/2,754.84
6. Step 6: Final answer
   x = 1,210.87