Finding the Fourth Proportional to 2,607.40, 3,910.38 and 963.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.40 : 3,910.38 = 963.82 : x
2. Step 2: Convert to fraction form
   2,607.40/3,910.38 = 963.82/x
3. Step 3: Cross multiply
   2,607.40x = 3,910.38 × 963.82
4. Step 4: Simplify right side
   2,607.40x = 3,768,902.45
5. Step 5: Solve for x
   x = 3,768,902.45/2,607.40
6. Step 6: Final answer
   x = 1,445.46