Finding the Fourth Proportional to 2,607.82, 3,911.31 and 963.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.82 : 3,911.31 = 963.99 : x
2. Step 2: Convert to fraction form
   2,607.82/3,911.31 = 963.99/x
3. Step 3: Cross multiply
   2,607.82x = 3,911.31 × 963.99
4. Step 4: Simplify right side
   2,607.82x = 3,770,463.73
5. Step 5: Solve for x
   x = 3,770,463.73/2,607.82
6. Step 6: Final answer
   x = 1,445.83