Finding the Fourth Proportional to 2,539.54, 3,809.89 and 1,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539.54 : 3,809.89 = 1,369.52 : x
2. Step 2: Convert to fraction form
   2,539.54/3,809.89 = 1,369.52/x
3. Step 3: Cross multiply
   2,539.54x = 3,809.89 × 1,369.52
4. Step 4: Simplify right side
   2,539.54x = 5,217,728.22
5. Step 5: Solve for x
   x = 5,217,728.22/2,539.54
6. Step 6: Final answer
   x = 2,054.59