Finding the Fourth Proportional to 2,725.50, 4,082.82 and 1,262.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.50 : 4,082.82 = 1,262.64 : x
2. Step 2: Convert to fraction form
   2,725.50/4,082.82 = 1,262.64/x
3. Step 3: Cross multiply
   2,725.50x = 4,082.82 × 1,262.64
4. Step 4: Simplify right side
   2,725.50x = 5,155,131.84
5. Step 5: Solve for x
   x = 5,155,131.84/2,725.50
6. Step 6: Final answer
   x = 1,891.44