Finding the Fourth Proportional to 3,661.89, 5,493.38 and 1,064.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.89 : 5,493.38 = 1,064.49 : x
2. Step 2: Convert to fraction form
   3,661.89/5,493.38 = 1,064.49/x
3. Step 3: Cross multiply
   3,661.89x = 5,493.38 × 1,064.49
4. Step 4: Simplify right side
   3,661.89x = 5,847,642.75
5. Step 5: Solve for x
   x = 5,847,642.75/3,661.89
6. Step 6: Final answer
   x = 1,596.89