Finding the Fourth Proportional to 3,948.63, 5,449.22 and 2,375.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,948.63 : 5,449.22 = 2,375.82 : x
2. Step 2: Convert to fraction form
   3,948.63/5,449.22 = 2,375.82/x
3. Step 3: Cross multiply
   3,948.63x = 5,449.22 × 2,375.82
4. Step 4: Simplify right side
   3,948.63x = 12,946,353.98
5. Step 5: Solve for x
   x = 12,946,353.98/3,948.63
6. Step 6: Final answer
   x = 3,278.70