Finding the Fourth Proportional to 3,947.27, 5,447.05 and 2,375.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.27 : 5,447.05 = 2,375.06 : x
2. Step 2: Convert to fraction form
   3,947.27/5,447.05 = 2,375.06/x
3. Step 3: Cross multiply
   3,947.27x = 5,447.05 × 2,375.06
4. Step 4: Simplify right side
   3,947.27x = 12,937,037.40
5. Step 5: Solve for x
   x = 12,937,037.40/3,947.27
6. Step 6: Final answer
   x = 3,277.47