Finding the Fourth Proportional to 4,076.72, 5,630.46 and 2,755.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,076.72 : 5,630.46 = 2,755.88 : x
2. Step 2: Convert to fraction form
   4,076.72/5,630.46 = 2,755.88/x
3. Step 3: Cross multiply
   4,076.72x = 5,630.46 × 2,755.88
4. Step 4: Simplify right side
   4,076.72x = 15,516,872.10
5. Step 5: Solve for x
   x = 15,516,872.10/4,076.72
6. Step 6: Final answer
   x = 3,806.21