Finding the Fourth Proportional to 3,996.32, 5,514.83 and 2,505.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.32 : 5,514.83 = 2,505.05 : x
2. Step 2: Convert to fraction form
   3,996.32/5,514.83 = 2,505.05/x
3. Step 3: Cross multiply
   3,996.32x = 5,514.83 × 2,505.05
4. Step 4: Simplify right side
   3,996.32x = 13,814,884.79
5. Step 5: Solve for x
   x = 13,814,884.79/3,996.32
6. Step 6: Final answer
   x = 3,456.91