Finding the Fourth Proportional to 2,271.96, 3,404.52 and 1,539

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.96 : 3,404.52 = 1,539 : x
2. Step 2: Convert to fraction form
   2,271.96/3,404.52 = 1,539/x
3. Step 3: Cross multiply
   2,271.96x = 3,404.52 × 1,539
4. Step 4: Simplify right side
   2,271.96x = 5,239,556.28
5. Step 5: Solve for x
   x = 5,239,556.28/2,271.96
6. Step 6: Final answer
   x = 2,306.18