Finding the Fourth Proportional to 2,053.71, 3,081.77 and 756.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.71 : 3,081.77 = 756.09 : x
2. Step 2: Convert to fraction form
   2,053.71/3,081.77 = 756.09/x
3. Step 3: Cross multiply
   2,053.71x = 3,081.77 × 756.09
4. Step 4: Simplify right side
   2,053.71x = 2,330,095.48
5. Step 5: Solve for x
   x = 2,330,095.48/2,053.71
6. Step 6: Final answer
   x = 1,134.58