Finding the Fourth Proportional to 3,948.86, 5,448.88 and 2,355.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,948.86 : 5,448.88 = 2,355.37 : x
2. Step 2: Convert to fraction form
   3,948.86/5,448.88 = 2,355.37/x
3. Step 3: Cross multiply
   3,948.86x = 5,448.88 × 2,355.37
4. Step 4: Simplify right side
   3,948.86x = 12,834,108.97
5. Step 5: Solve for x
   x = 12,834,108.97/3,948.86
6. Step 6: Final answer
   x = 3,250.08