Finding the Fourth Proportional to 2,054.65, 3,081.67 and 755.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.65 : 3,081.67 = 755.81 : x
2. Step 2: Convert to fraction form
   2,054.65/3,081.67 = 755.81/x
3. Step 3: Cross multiply
   2,054.65x = 3,081.67 × 755.81
4. Step 4: Simplify right side
   2,054.65x = 2,329,162.82
5. Step 5: Solve for x
   x = 2,329,162.82/2,054.65
6. Step 6: Final answer
   x = 1,133.61