Finding the Fourth Proportional to 2,556.52, 3,531.46 and 2,003.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.52 : 3,531.46 = 2,003.96 : x
2. Step 2: Convert to fraction form
   2,556.52/3,531.46 = 2,003.96/x
3. Step 3: Cross multiply
   2,556.52x = 3,531.46 × 2,003.96
4. Step 4: Simplify right side
   2,556.52x = 7,076,904.58
5. Step 5: Solve for x
   x = 7,076,904.58/2,556.52
6. Step 6: Final answer
   x = 2,768.18