Finding the Fourth Proportional to 5,629.56, 8,442.90 and 2,665.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,629.56 : 8,442.90 = 2,665.08 : x
2. Step 2: Convert to fraction form
   5,629.56/8,442.90 = 2,665.08/x
3. Step 3: Cross multiply
   5,629.56x = 8,442.90 × 2,665.08
4. Step 4: Simplify right side
   5,629.56x = 22,501,003.93
5. Step 5: Solve for x
   x = 22,501,003.93/5,629.56
6. Step 6: Final answer
   x = 3,996.94