Finding the Fourth Proportional to 2,054.40, 3,082.72 and 755.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.40 : 3,082.72 = 755.68 : x
2. Step 2: Convert to fraction form
   2,054.40/3,082.72 = 755.68/x
3. Step 3: Cross multiply
   2,054.40x = 3,082.72 × 755.68
4. Step 4: Simplify right side
   2,054.40x = 2,329,549.85
5. Step 5: Solve for x
   x = 2,329,549.85/2,054.40
6. Step 6: Final answer
   x = 1,133.93