Finding the Fourth Proportional to 3,544.58, 5,317.62 and 1,079.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544.58 : 5,317.62 = 1,079.59 : x
2. Step 2: Convert to fraction form
   3,544.58/5,317.62 = 1,079.59/x
3. Step 3: Cross multiply
   3,544.58x = 5,317.62 × 1,079.59
4. Step 4: Simplify right side
   3,544.58x = 5,740,849.38
5. Step 5: Solve for x
   x = 5,740,849.38/3,544.58
6. Step 6: Final answer
   x = 1,619.61