Finding the Fourth Proportional to 3,665.31, 5,060.46 and 2,408.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.31 : 5,060.46 = 2,408.59 : x
2. Step 2: Convert to fraction form
   3,665.31/5,060.46 = 2,408.59/x
3. Step 3: Cross multiply
   3,665.31x = 5,060.46 × 2,408.59
4. Step 4: Simplify right side
   3,665.31x = 12,188,573.35
5. Step 5: Solve for x
   x = 12,188,573.35/3,665.31
6. Step 6: Final answer
   x = 3,325.39