Finding the Fourth Proportional to 3,662.56, 5,048.88 and 2,776.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.56 : 5,048.88 = 2,776.76 : x
2. Step 2: Convert to fraction form
   3,662.56/5,048.88 = 2,776.76/x
3. Step 3: Cross multiply
   3,662.56x = 5,048.88 × 2,776.76
4. Step 4: Simplify right side
   3,662.56x = 14,019,528.03
5. Step 5: Solve for x
   x = 14,019,528.03/3,662.56
6. Step 6: Final answer
   x = 3,827.79