Finding the Fourth Proportional to 2,556.62, 3,828.09 and 1,459.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.62 : 3,828.09 = 1,459.47 : x
2. Step 2: Convert to fraction form
   2,556.62/3,828.09 = 1,459.47/x
3. Step 3: Cross multiply
   2,556.62x = 3,828.09 × 1,459.47
4. Step 4: Simplify right side
   2,556.62x = 5,587,002.34
5. Step 5: Solve for x
   x = 5,587,002.34/2,556.62
6. Step 6: Final answer
   x = 2,185.31