Finding the Fourth Proportional to 2,054.72, 3,081.48 and 756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.72 : 3,081.48 = 756.08 : x
2. Step 2: Convert to fraction form
   2,054.72/3,081.48 = 756.08/x
3. Step 3: Cross multiply
   2,054.72x = 3,081.48 × 756.08
4. Step 4: Simplify right side
   2,054.72x = 2,329,845.40
5. Step 5: Solve for x
   x = 2,329,845.40/2,054.72
6. Step 6: Final answer
   x = 1,133.90