Finding the Fourth Proportional to 2,055.89, 3,083.78 and 757.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.89 : 3,083.78 = 757.32 : x
2. Step 2: Convert to fraction form
   2,055.89/3,083.78 = 757.32/x
3. Step 3: Cross multiply
   2,055.89x = 3,083.78 × 757.32
4. Step 4: Simplify right side
   2,055.89x = 2,335,404.48
5. Step 5: Solve for x
   x = 2,335,404.48/2,055.89
6. Step 6: Final answer
   x = 1,135.96