Finding the Fourth Proportional to 2,055.07, 3,083.82 and 757.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.07 : 3,083.82 = 757.45 : x
2. Step 2: Convert to fraction form
   2,055.07/3,083.82 = 757.45/x
3. Step 3: Cross multiply
   2,055.07x = 3,083.82 × 757.45
4. Step 4: Simplify right side
   2,055.07x = 2,335,844.73
5. Step 5: Solve for x
   x = 2,335,844.73/2,055.07
6. Step 6: Final answer
   x = 1,136.62