Finding the Fourth Proportional to 3,608.15, 5,408.87 and 1,416.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.15 : 5,408.87 = 1,416.89 : x
2. Step 2: Convert to fraction form
   3,608.15/5,408.87 = 1,416.89/x
3. Step 3: Cross multiply
   3,608.15x = 5,408.87 × 1,416.89
4. Step 4: Simplify right side
   3,608.15x = 7,663,739.69
5. Step 5: Solve for x
   x = 7,663,739.69/3,608.15
6. Step 6: Final answer
   x = 2,124.01