Finding the Fourth Proportional to 7,544.57, 10,408.64 and 5,559.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,544.57 : 10,408.64 = 5,559.86 : x
2. Step 2: Convert to fraction form
   7,544.57/10,408.64 = 5,559.86/x
3. Step 3: Cross multiply
   7,544.57x = 10,408.64 × 5,559.86
4. Step 4: Simplify right side
   7,544.57x = 57,870,529.15
5. Step 5: Solve for x
   x = 57,870,529.15/7,544.57
6. Step 6: Final answer
   x = 7,670.49