Finding the Fourth Proportional to 3,391.54, 5,086.23 and 1,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391.54 : 5,086.23 = 1,082.50 : x
2. Step 2: Convert to fraction form
   3,391.54/5,086.23 = 1,082.50/x
3. Step 3: Cross multiply
   3,391.54x = 5,086.23 × 1,082.50
4. Step 4: Simplify right side
   3,391.54x = 5,505,843.98
5. Step 5: Solve for x
   x = 5,505,843.98/3,391.54
6. Step 6: Final answer
   x = 1,623.41