Finding the Fourth Proportional to 3,676.72, 5,519.76 and 2,383.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.72 : 5,519.76 = 2,383.60 : x
2. Step 2: Convert to fraction form
   3,676.72/5,519.76 = 2,383.60/x
3. Step 3: Cross multiply
   3,676.72x = 5,519.76 × 2,383.60
4. Step 4: Simplify right side
   3,676.72x = 13,156,899.94
5. Step 5: Solve for x
   x = 13,156,899.94/3,676.72
6. Step 6: Final answer
   x = 3,578.43