Finding the Fourth Proportional to 2,447.39, 3,375.98 and 1,562.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.39 : 3,375.98 = 1,562.20 : x
2. Step 2: Convert to fraction form
   2,447.39/3,375.98 = 1,562.20/x
3. Step 3: Cross multiply
   2,447.39x = 3,375.98 × 1,562.20
4. Step 4: Simplify right side
   2,447.39x = 5,273,951.42
5. Step 5: Solve for x
   x = 5,273,951.42/2,447.39
6. Step 6: Final answer
   x = 2,154.93