Finding the Fourth Proportional to 2,632.59, 3,949.38 and 877.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.59 : 3,949.38 = 877.73 : x
2. Step 2: Convert to fraction form
   2,632.59/3,949.38 = 877.73/x
3. Step 3: Cross multiply
   2,632.59x = 3,949.38 × 877.73
4. Step 4: Simplify right side
   2,632.59x = 3,466,469.56
5. Step 5: Solve for x
   x = 3,466,469.56/2,632.59
6. Step 6: Final answer
   x = 1,316.75