Finding the Fourth Proportional to 5,665.29, 7,815.38 and 3,676.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.29 : 7,815.38 = 3,676.47 : x
2. Step 2: Convert to fraction form
   5,665.29/7,815.38 = 3,676.47/x
3. Step 3: Cross multiply
   5,665.29x = 7,815.38 × 3,676.47
4. Step 4: Simplify right side
   5,665.29x = 28,732,991.73
5. Step 5: Solve for x
   x = 28,732,991.73/5,665.29
6. Step 6: Final answer
   x = 5,071.76