Finding the Fourth Proportional to 3,997.25, 5,516.62 and 2,404.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.25 : 5,516.62 = 2,404.42 : x
2. Step 2: Convert to fraction form
   3,997.25/5,516.62 = 2,404.42/x
3. Step 3: Cross multiply
   3,997.25x = 5,516.62 × 2,404.42
4. Step 4: Simplify right side
   3,997.25x = 13,264,271.46
5. Step 5: Solve for x
   x = 13,264,271.46/3,997.25
6. Step 6: Final answer
   x = 3,318.35