Finding the Fourth Proportional to 2,055.83, 3,081.90 and 756.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.83 : 3,081.90 = 756.99 : x
2. Step 2: Convert to fraction form
   2,055.83/3,081.90 = 756.99/x
3. Step 3: Cross multiply
   2,055.83x = 3,081.90 × 756.99
4. Step 4: Simplify right side
   2,055.83x = 2,332,967.48
5. Step 5: Solve for x
   x = 2,332,967.48/2,055.83
6. Step 6: Final answer
   x = 1,134.81