Finding the Fourth Proportional to 9,590.75, 13,235.78 and 5,399.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,590.75 : 13,235.78 = 5,399.27 : x
2. Step 2: Convert to fraction form
   9,590.75/13,235.78 = 5,399.27/x
3. Step 3: Cross multiply
   9,590.75x = 13,235.78 × 5,399.27
4. Step 4: Simplify right side
   9,590.75x = 71,463,522.88
5. Step 5: Solve for x
   x = 71,463,522.88/9,590.75
6. Step 6: Final answer
   x = 7,451.30