Finding the Fourth Proportional to 3,661.77, 5,493.59 and 1,064.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.77 : 5,493.59 = 1,064.70 : x
2. Step 2: Convert to fraction form
   3,661.77/5,493.59 = 1,064.70/x
3. Step 3: Cross multiply
   3,661.77x = 5,493.59 × 1,064.70
4. Step 4: Simplify right side
   3,661.77x = 5,849,040.55
5. Step 5: Solve for x
   x = 5,849,040.55/3,661.77
6. Step 6: Final answer
   x = 1,597.33