Finding the Fourth Proportional to 2,632.55, 3,949.00 and 877.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.55 : 3,949.00 = 877.49 : x
2. Step 2: Convert to fraction form
   2,632.55/3,949.00 = 877.49/x
3. Step 3: Cross multiply
   2,632.55x = 3,949.00 × 877.49
4. Step 4: Simplify right side
   2,632.55x = 3,465,186.07
5. Step 5: Solve for x
   x = 3,465,186.07/2,632.55
6. Step 6: Final answer
   x = 1,316.28