Finding the Fourth Proportional to 3,947.16, 5,447.46 and 2,375.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.16 : 5,447.46 = 2,375.22 : x
2. Step 2: Convert to fraction form
   3,947.16/5,447.46 = 2,375.22/x
3. Step 3: Cross multiply
   3,947.16x = 5,447.46 × 2,375.22
4. Step 4: Simplify right side
   3,947.16x = 12,938,915.94
5. Step 5: Solve for x
   x = 12,938,915.94/3,947.16
6. Step 6: Final answer
   x = 3,278.03