Finding the Fourth Proportional to 9,605.23, 13,255.27 and 5,356.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.23 : 13,255.27 = 5,356.55 : x
2. Step 2: Convert to fraction form
   9,605.23/13,255.27 = 5,356.55/x
3. Step 3: Cross multiply
   9,605.23x = 13,255.27 × 5,356.55
4. Step 4: Simplify right side
   9,605.23x = 71,002,575.56
5. Step 5: Solve for x
   x = 71,002,575.56/9,605.23
6. Step 6: Final answer
   x = 7,392.08