Finding the Fourth Proportional to 2,553.01, 3,520.55 and 2,404.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.01 : 3,520.55 = 2,404.18 : x
2. Step 2: Convert to fraction form
   2,553.01/3,520.55 = 2,404.18/x
3. Step 3: Cross multiply
   2,553.01x = 3,520.55 × 2,404.18
4. Step 4: Simplify right side
   2,553.01x = 8,464,046.31
5. Step 5: Solve for x
   x = 8,464,046.31/2,553.01
6. Step 6: Final answer
   x = 3,315.32