Finding the Fourth Proportional to 9,549.36, 13,178.16 and 5,357.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.36 : 13,178.16 = 5,357.61 : x
2. Step 2: Convert to fraction form
   9,549.36/13,178.16 = 5,357.61/x
3. Step 3: Cross multiply
   9,549.36x = 13,178.16 × 5,357.61
4. Step 4: Simplify right side
   9,549.36x = 70,603,441.80
5. Step 5: Solve for x
   x = 70,603,441.80/9,549.36
6. Step 6: Final answer
   x = 7,393.53