Finding the Fourth Proportional to 3,947.46, 5,448.45 and 2,375.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.46 : 5,448.45 = 2,375.25 : x
2. Step 2: Convert to fraction form
   3,947.46/5,448.45 = 2,375.25/x
3. Step 3: Cross multiply
   3,947.46x = 5,448.45 × 2,375.25
4. Step 4: Simplify right side
   3,947.46x = 12,941,430.86
5. Step 5: Solve for x
   x = 12,941,430.86/3,947.46
6. Step 6: Final answer
   x = 3,278.42