Finding the Fourth Proportional to 4,078.72, 5,633.22 and 2,757.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,078.72 : 5,633.22 = 2,757.88 : x
2. Step 2: Convert to fraction form
   4,078.72/5,633.22 = 2,757.88/x
3. Step 3: Cross multiply
   4,078.72x = 5,633.22 × 2,757.88
4. Step 4: Simplify right side
   4,078.72x = 15,535,744.77
5. Step 5: Solve for x
   x = 15,535,744.77/4,078.72
6. Step 6: Final answer
   x = 3,808.98