Finding the Fourth Proportional to 3,621.42, 5,002.83 and 2,447.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.42 : 5,002.83 = 2,447.64 : x
2. Step 2: Convert to fraction form
   3,621.42/5,002.83 = 2,447.64/x
3. Step 3: Cross multiply
   3,621.42x = 5,002.83 × 2,447.64
4. Step 4: Simplify right side
   3,621.42x = 12,245,126.82
5. Step 5: Solve for x
   x = 12,245,126.82/3,621.42
6. Step 6: Final answer
   x = 3,381.31